Home / 87,348.75-131,023.13-21,684.75

Finding the Fourth Proportional to 87,348.75, 131,023.13 and 21,684.75

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Solution

The fourth proportional to 87,348.75, 131,023.13 and 21,684.75 is: 32,527.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,348.75 : 131,023.13 = 21,684.75 : x
  2. Step 2: Convert to fraction form
    87,348.75/131,023.13 = 21,684.75/x
  3. Step 3: Cross multiply
    87,348.75x = 131,023.13 × 21,684.75
  4. Step 4: Simplify right side
    87,348.75x = 2,841,203,709.84
  5. Step 5: Solve for x
    x = 2,841,203,709.84/87,348.75
  6. Step 6: Final answer
    x = 32,527.13

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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.