Home / 42,517.38-63,785.16-12,937.62

Finding the Fourth Proportional to 42,517.38, 63,785.16 and 12,937.62

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Solution

The fourth proportional to 42,517.38, 63,785.16 and 12,937.62 is: 19,409.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,517.38 : 63,785.16 = 12,937.62 : x
  2. Step 2: Convert to fraction form
    42,517.38/63,785.16 = 12,937.62/x
  3. Step 3: Cross multiply
    42,517.38x = 63,785.16 × 12,937.62
  4. Step 4: Simplify right side
    42,517.38x = 825,228,161.72
  5. Step 5: Solve for x
    x = 825,228,161.72/42,517.38
  6. Step 6: Final answer
    x = 19,409.20

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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.