Home / 40,488.18-60,714.62-21,508.68

Finding the Fourth Proportional to 40,488.18, 60,714.62 and 21,508.68

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Solution

The fourth proportional to 40,488.18, 60,714.62 and 21,508.68 is: 32,253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,488.18 : 60,714.62 = 21,508.68 : x
  2. Step 2: Convert to fraction form
    40,488.18/60,714.62 = 21,508.68/x
  3. Step 3: Cross multiply
    40,488.18x = 60,714.62 × 21,508.68
  4. Step 4: Simplify right side
    40,488.18x = 1,305,891,332.90
  5. Step 5: Solve for x
    x = 1,305,891,332.90/40,488.18
  6. Step 6: Final answer
    x = 32,253.64

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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.