Home / 38,087.32-57,139.32-11,432.20

Finding the Fourth Proportional to 38,087.32, 57,139.32 and 11,432.20

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Solution

The fourth proportional to 38,087.32, 57,139.32 and 11,432.20 is: 17,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,087.32 : 57,139.32 = 11,432.20 : x
  2. Step 2: Convert to fraction form
    38,087.32/57,139.32 = 11,432.20/x
  3. Step 3: Cross multiply
    38,087.32x = 57,139.32 × 11,432.20
  4. Step 4: Simplify right side
    38,087.32x = 653,228,134.10
  5. Step 5: Solve for x
    x = 653,228,134.10/38,087.32
  6. Step 6: Final answer
    x = 17,150.80

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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.