Home / 40,456.72-55,837.02-29,876.92

Finding the Fourth Proportional to 40,456.72, 55,837.02 and 29,876.92

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Solution

The fourth proportional to 40,456.72, 55,837.02 and 29,876.92 is: 41,235.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,456.72 : 55,837.02 = 29,876.92 : x
  2. Step 2: Convert to fraction form
    40,456.72/55,837.02 = 29,876.92/x
  3. Step 3: Cross multiply
    40,456.72x = 55,837.02 × 29,876.92
  4. Step 4: Simplify right side
    40,456.72x = 1,668,238,179.58
  5. Step 5: Solve for x
    x = 1,668,238,179.58/40,456.72
  6. Step 6: Final answer
    x = 41,235.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.