Home / 67,001.40-100,432.14-22,612.86

Finding the Fourth Proportional to 67,001.40, 100,432.14 and 22,612.86

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Solution

The fourth proportional to 67,001.40, 100,432.14 and 22,612.86 is: 33,895.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,001.40 : 100,432.14 = 22,612.86 : x
  2. Step 2: Convert to fraction form
    67,001.40/100,432.14 = 22,612.86/x
  3. Step 3: Cross multiply
    67,001.40x = 100,432.14 × 22,612.86
  4. Step 4: Simplify right side
    67,001.40x = 2,271,057,921.32
  5. Step 5: Solve for x
    x = 2,271,057,921.32/67,001.40
  6. Step 6: Final answer
    x = 33,895.68

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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.