Home / 67,328.20-101,002.02-20,584.72

Finding the Fourth Proportional to 67,328.20, 101,002.02 and 20,584.72

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Solution

The fourth proportional to 67,328.20, 101,002.02 and 20,584.72 is: 30,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,328.20 : 101,002.02 = 20,584.72 : x
  2. Step 2: Convert to fraction form
    67,328.20/101,002.02 = 20,584.72/x
  3. Step 3: Cross multiply
    67,328.20x = 101,002.02 × 20,584.72
  4. Step 4: Simplify right side
    67,328.20x = 2,079,098,301.13
  5. Step 5: Solve for x
    x = 2,079,098,301.13/67,328.20
  6. Step 6: Final answer
    x = 30,880.05

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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.