Home / 42,461.73-63,703.03-21,124.52

Finding the Fourth Proportional to 42,461.73, 63,703.03 and 21,124.52

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Solution

The fourth proportional to 42,461.73, 63,703.03 and 21,124.52 is: 31,691.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,461.73 : 63,703.03 = 21,124.52 : x
  2. Step 2: Convert to fraction form
    42,461.73/63,703.03 = 21,124.52/x
  3. Step 3: Cross multiply
    42,461.73x = 63,703.03 × 21,124.52
  4. Step 4: Simplify right side
    42,461.73x = 1,345,695,931.30
  5. Step 5: Solve for x
    x = 1,345,695,931.30/42,461.73
  6. Step 6: Final answer
    x = 31,691.97

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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.