Home / 31,472.88-43,446.18-22,504.80

Finding the Fourth Proportional to 31,472.88, 43,446.18 and 22,504.80

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Solution

The fourth proportional to 31,472.88, 43,446.18 and 22,504.80 is: 31,066.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,472.88 : 43,446.18 = 22,504.80 : x
  2. Step 2: Convert to fraction form
    31,472.88/43,446.18 = 22,504.80/x
  3. Step 3: Cross multiply
    31,472.88x = 43,446.18 × 22,504.80
  4. Step 4: Simplify right side
    31,472.88x = 977,747,591.66
  5. Step 5: Solve for x
    x = 977,747,591.66/31,472.88
  6. Step 6: Final answer
    x = 31,066.35

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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.