Home / 31,519.80-47,279.70-29,575.80

Finding the Fourth Proportional to 31,519.80, 47,279.70 and 29,575.80

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Solution

The fourth proportional to 31,519.80, 47,279.70 and 29,575.80 is: 44,363.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519.80 : 47,279.70 = 29,575.80 : x
  2. Step 2: Convert to fraction form
    31,519.80/47,279.70 = 29,575.80/x
  3. Step 3: Cross multiply
    31,519.80x = 47,279.70 × 29,575.80
  4. Step 4: Simplify right side
    31,519.80x = 1,398,334,951.26
  5. Step 5: Solve for x
    x = 1,398,334,951.26/31,519.80
  6. Step 6: Final answer
    x = 44,363.70

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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.