Home / 67,633.40-101,395.12-28,219.88

Finding the Fourth Proportional to 67,633.40, 101,395.12 and 28,219.88

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Solution

The fourth proportional to 67,633.40, 101,395.12 and 28,219.88 is: 42,306.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,633.40 : 101,395.12 = 28,219.88 : x
  2. Step 2: Convert to fraction form
    67,633.40/101,395.12 = 28,219.88/x
  3. Step 3: Cross multiply
    67,633.40x = 101,395.12 × 28,219.88
  4. Step 4: Simplify right side
    67,633.40x = 2,861,358,118.99
  5. Step 5: Solve for x
    x = 2,861,358,118.99/67,633.40
  6. Step 6: Final answer
    x = 42,306.88

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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.