Home / 38,015.76-52,461.96-21,248.76

Finding the Fourth Proportional to 38,015.76, 52,461.96 and 21,248.76

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Solution

The fourth proportional to 38,015.76, 52,461.96 and 21,248.76 is: 29,323.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,015.76 : 52,461.96 = 21,248.76 : x
  2. Step 2: Convert to fraction form
    38,015.76/52,461.96 = 21,248.76/x
  3. Step 3: Cross multiply
    38,015.76x = 52,461.96 × 21,248.76
  4. Step 4: Simplify right side
    38,015.76x = 1,114,751,597.17
  5. Step 5: Solve for x
    x = 1,114,751,597.17/38,015.76
  6. Step 6: Final answer
    x = 29,323.41

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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.