Home / 42,613.38-63,928.17-19,239.75

Finding the Fourth Proportional to 42,613.38, 63,928.17 and 19,239.75

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Solution

The fourth proportional to 42,613.38, 63,928.17 and 19,239.75 is: 28,863.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,613.38 : 63,928.17 = 19,239.75 : x
  2. Step 2: Convert to fraction form
    42,613.38/63,928.17 = 19,239.75/x
  3. Step 3: Cross multiply
    42,613.38x = 63,928.17 × 19,239.75
  4. Step 4: Simplify right side
    42,613.38x = 1,229,962,008.76
  5. Step 5: Solve for x
    x = 1,229,962,008.76/42,613.38
  6. Step 6: Final answer
    x = 28,863.28

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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.