Home / 40,217.19-60,329.89-13,921.86

Finding the Fourth Proportional to 40,217.19, 60,329.89 and 13,921.86

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Solution

The fourth proportional to 40,217.19, 60,329.89 and 13,921.86 is: 20,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,217.19 : 60,329.89 = 13,921.86 : x
  2. Step 2: Convert to fraction form
    40,217.19/60,329.89 = 13,921.86/x
  3. Step 3: Cross multiply
    40,217.19x = 60,329.89 × 13,921.86
  4. Step 4: Simplify right side
    40,217.19x = 839,904,282.40
  5. Step 5: Solve for x
    x = 839,904,282.40/40,217.19
  6. Step 6: Final answer
    x = 20,884.21

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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.