Home / 40,387.83-60,590.40-12,310.14

Finding the Fourth Proportional to 40,387.83, 60,590.40 and 12,310.14

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Solution

The fourth proportional to 40,387.83, 60,590.40 and 12,310.14 is: 18,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,387.83 : 60,590.40 = 12,310.14 : x
  2. Step 2: Convert to fraction form
    40,387.83/60,590.40 = 12,310.14/x
  3. Step 3: Cross multiply
    40,387.83x = 60,590.40 × 12,310.14
  4. Step 4: Simplify right side
    40,387.83x = 745,876,306.66
  5. Step 5: Solve for x
    x = 745,876,306.66/40,387.83
  6. Step 6: Final answer
    x = 18,467.85

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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.