Home / 34,508.85-47,618.92-20,172.04

Finding the Fourth Proportional to 34,508.85, 47,618.92 and 20,172.04

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Solution

The fourth proportional to 34,508.85, 47,618.92 and 20,172.04 is: 27,835.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,508.85 : 47,618.92 = 20,172.04 : x
  2. Step 2: Convert to fraction form
    34,508.85/47,618.92 = 20,172.04/x
  3. Step 3: Cross multiply
    34,508.85x = 47,618.92 × 20,172.04
  4. Step 4: Simplify right side
    34,508.85x = 960,570,759.00
  5. Step 5: Solve for x
    x = 960,570,759.00/34,508.85
  6. Step 6: Final answer
    x = 27,835.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.