Home / 42,402.12-63,613.86-29,946.54

Finding the Fourth Proportional to 42,402.12, 63,613.86 and 29,946.54

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Solution

The fourth proportional to 42,402.12, 63,613.86 and 29,946.54 is: 44,927.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,402.12 : 63,613.86 = 29,946.54 : x
  2. Step 2: Convert to fraction form
    42,402.12/63,613.86 = 29,946.54/x
  3. Step 3: Cross multiply
    42,402.12x = 63,613.86 × 29,946.54
  4. Step 4: Simplify right side
    42,402.12x = 1,905,015,129.30
  5. Step 5: Solve for x
    x = 1,905,015,129.30/42,402.12
  6. Step 6: Final answer
    x = 44,927.36

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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.