Home / 31,475.52-47,229.48-21,622.68

Finding the Fourth Proportional to 31,475.52, 47,229.48 and 21,622.68

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Solution

The fourth proportional to 31,475.52, 47,229.48 and 21,622.68 is: 32,445.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475.52 : 47,229.48 = 21,622.68 : x
  2. Step 2: Convert to fraction form
    31,475.52/47,229.48 = 21,622.68/x
  3. Step 3: Cross multiply
    31,475.52x = 47,229.48 × 21,622.68
  4. Step 4: Simplify right side
    31,475.52x = 1,021,227,932.61
  5. Step 5: Solve for x
    x = 1,021,227,932.61/31,475.52
  6. Step 6: Final answer
    x = 32,445.15

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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.