Home / 38,243.92-52,775.86-21,248.10

Finding the Fourth Proportional to 38,243.92, 52,775.86 and 21,248.10

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Solution

The fourth proportional to 38,243.92, 52,775.86 and 21,248.10 is: 29,321.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,243.92 : 52,775.86 = 21,248.10 : x
  2. Step 2: Convert to fraction form
    38,243.92/52,775.86 = 21,248.10/x
  3. Step 3: Cross multiply
    38,243.92x = 52,775.86 × 21,248.10
  4. Step 4: Simplify right side
    38,243.92x = 1,121,386,750.87
  5. Step 5: Solve for x
    x = 1,121,386,750.87/38,243.92
  6. Step 6: Final answer
    x = 29,321.96

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Find fourth proportional to 19,121.96, 26,387.93 and 10,624.05
Half scale
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Double scale
Find fourth proportional to 38,244.92, 52,777.24 and 21,249.10
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.