Home / 42,516.24-63,743.10-21,445.92

Finding the Fourth Proportional to 42,516.24, 63,743.10 and 21,445.92

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Solution

The fourth proportional to 42,516.24, 63,743.10 and 21,445.92 is: 32,153.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,516.24 : 63,743.10 = 21,445.92 : x
  2. Step 2: Convert to fraction form
    42,516.24/63,743.10 = 21,445.92/x
  3. Step 3: Cross multiply
    42,516.24x = 63,743.10 × 21,445.92
  4. Step 4: Simplify right side
    42,516.24x = 1,367,029,423.15
  5. Step 5: Solve for x
    x = 1,367,029,423.15/42,516.24
  6. Step 6: Final answer
    x = 32,153.11

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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.