Home / 67,342.38-101,003.84-20,582.70

Finding the Fourth Proportional to 67,342.38, 101,003.84 and 20,582.70

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Solution

The fourth proportional to 67,342.38, 101,003.84 and 20,582.70 is: 30,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,342.38 : 101,003.84 = 20,582.70 : x
  2. Step 2: Convert to fraction form
    67,342.38/101,003.84 = 20,582.70/x
  3. Step 3: Cross multiply
    67,342.38x = 101,003.84 × 20,582.70
  4. Step 4: Simplify right side
    67,342.38x = 2,078,931,737.57
  5. Step 5: Solve for x
    x = 2,078,931,737.57/67,342.38
  6. Step 6: Final answer
    x = 30,871.08

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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.