Home / 38,150.24-52,647.96-21,155.19

Finding the Fourth Proportional to 38,150.24, 52,647.96 and 21,155.19

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Solution

The fourth proportional to 38,150.24, 52,647.96 and 21,155.19 is: 29,194.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,150.24 : 52,647.96 = 21,155.19 : x
  2. Step 2: Convert to fraction form
    38,150.24/52,647.96 = 21,155.19/x
  3. Step 3: Cross multiply
    38,150.24x = 52,647.96 × 21,155.19
  4. Step 4: Simplify right side
    38,150.24x = 1,113,777,596.91
  5. Step 5: Solve for x
    x = 1,113,777,596.91/38,150.24
  6. Step 6: Final answer
    x = 29,194.51

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Half scale
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Double scale
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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.