Home / 40,207.86-60,314.40-13,909.14

Finding the Fourth Proportional to 40,207.86, 60,314.40 and 13,909.14

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Solution

The fourth proportional to 40,207.86, 60,314.40 and 13,909.14 is: 20,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,207.86 : 60,314.40 = 13,909.14 : x
  2. Step 2: Convert to fraction form
    40,207.86/60,314.40 = 13,909.14/x
  3. Step 3: Cross multiply
    40,207.86x = 60,314.40 × 13,909.14
  4. Step 4: Simplify right side
    40,207.86x = 838,921,433.62
  5. Step 5: Solve for x
    x = 838,921,433.62/40,207.86
  6. Step 6: Final answer
    x = 20,864.61

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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.