Home / 22,706.30-34,117.05-20,171.90

Finding the Fourth Proportional to 22,706.30, 34,117.05 and 20,171.90

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Solution

The fourth proportional to 22,706.30, 34,117.05 and 20,171.90 is: 30,309.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,706.30 : 34,117.05 = 20,171.90 : x
  2. Step 2: Convert to fraction form
    22,706.30/34,117.05 = 20,171.90/x
  3. Step 3: Cross multiply
    22,706.30x = 34,117.05 × 20,171.90
  4. Step 4: Simplify right side
    22,706.30x = 688,205,720.90
  5. Step 5: Solve for x
    x = 688,205,720.90/22,706.30
  6. Step 6: Final answer
    x = 30,309.02

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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.