Home / 56,141.91-84,194.62-18,691.92

Finding the Fourth Proportional to 56,141.91, 84,194.62 and 18,691.92

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Solution

The fourth proportional to 56,141.91, 84,194.62 and 18,691.92 is: 28,031.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,141.91 : 84,194.62 = 18,691.92 : x
  2. Step 2: Convert to fraction form
    56,141.91/84,194.62 = 18,691.92/x
  3. Step 3: Cross multiply
    56,141.91x = 84,194.62 × 18,691.92
  4. Step 4: Simplify right side
    56,141.91x = 1,573,759,101.47
  5. Step 5: Solve for x
    x = 1,573,759,101.47/56,141.91
  6. Step 6: Final answer
    x = 28,031.81

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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.