Home / 38,331.04-57,487.92-10,631.20

Finding the Fourth Proportional to 38,331.04, 57,487.92 and 10,631.20

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Solution

The fourth proportional to 38,331.04, 57,487.92 and 10,631.20 is: 15,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,331.04 : 57,487.92 = 10,631.20 : x
  2. Step 2: Convert to fraction form
    38,331.04/57,487.92 = 10,631.20/x
  3. Step 3: Cross multiply
    38,331.04x = 57,487.92 × 10,631.20
  4. Step 4: Simplify right side
    38,331.04x = 611,165,575.10
  5. Step 5: Solve for x
    x = 611,165,575.10/38,331.04
  6. Step 6: Final answer
    x = 15,944.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.