Home / 58,469.20-80,687.49-31,611.70

Finding the Fourth Proportional to 58,469.20, 80,687.49 and 31,611.70

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Solution

The fourth proportional to 58,469.20, 80,687.49 and 31,611.70 is: 43,624.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,469.20 : 80,687.49 = 31,611.70 : x
  2. Step 2: Convert to fraction form
    58,469.20/80,687.49 = 31,611.70/x
  3. Step 3: Cross multiply
    58,469.20x = 80,687.49 × 31,611.70
  4. Step 4: Simplify right side
    58,469.20x = 2,550,668,709.95
  5. Step 5: Solve for x
    x = 2,550,668,709.95/58,469.20
  6. Step 6: Final answer
    x = 43,624.14

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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.