Home / 47,757.92-71,612.25-21,440.09

Finding the Fourth Proportional to 47,757.92, 71,612.25 and 21,440.09

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Solution

The fourth proportional to 47,757.92, 71,612.25 and 21,440.09 is: 32,149.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,757.92 : 71,612.25 = 21,440.09 : x
  2. Step 2: Convert to fraction form
    47,757.92/71,612.25 = 21,440.09/x
  3. Step 3: Cross multiply
    47,757.92x = 71,612.25 × 21,440.09
  4. Step 4: Simplify right side
    47,757.92x = 1,535,373,085.10
  5. Step 5: Solve for x
    x = 1,535,373,085.10/47,757.92
  6. Step 6: Final answer
    x = 32,149.08

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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.