Home / 38,729.46-58,101.75-12,432.18

Finding the Fourth Proportional to 38,729.46, 58,101.75 and 12,432.18

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Solution

The fourth proportional to 38,729.46, 58,101.75 and 12,432.18 is: 18,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,729.46 : 58,101.75 = 12,432.18 : x
  2. Step 2: Convert to fraction form
    38,729.46/58,101.75 = 12,432.18/x
  3. Step 3: Cross multiply
    38,729.46x = 58,101.75 × 12,432.18
  4. Step 4: Simplify right side
    38,729.46x = 722,331,414.32
  5. Step 5: Solve for x
    x = 722,331,414.32/38,729.46
  6. Step 6: Final answer
    x = 18,650.70

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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.