Home / 40,117.52-60,176.40-13,821.92

Finding the Fourth Proportional to 40,117.52, 60,176.40 and 13,821.92

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Solution

The fourth proportional to 40,117.52, 60,176.40 and 13,821.92 is: 20,732.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,117.52 : 60,176.40 = 13,821.92 : x
  2. Step 2: Convert to fraction form
    40,117.52/60,176.40 = 13,821.92/x
  3. Step 3: Cross multiply
    40,117.52x = 60,176.40 × 13,821.92
  4. Step 4: Simplify right side
    40,117.52x = 831,753,386.69
  5. Step 5: Solve for x
    x = 831,753,386.69/40,117.52
  6. Step 6: Final answer
    x = 20,732.92

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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.