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Finding the Fourth Proportional to 29,480.30, 44,220.45 and 20,149.10

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Solution

The fourth proportional to 29,480.30, 44,220.45 and 20,149.10 is: 30,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,480.30 : 44,220.45 = 20,149.10 : x
  2. Step 2: Convert to fraction form
    29,480.30/44,220.45 = 20,149.10/x
  3. Step 3: Cross multiply
    29,480.30x = 44,220.45 × 20,149.10
  4. Step 4: Simplify right side
    29,480.30x = 891,002,269.10
  5. Step 5: Solve for x
    x = 891,002,269.10/29,480.30
  6. Step 6: Final answer
    x = 30,223.65

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1.5x scale

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.