Home / 87,944.22-131,915.07-21,384.18

Finding the Fourth Proportional to 87,944.22, 131,915.07 and 21,384.18

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Solution

The fourth proportional to 87,944.22, 131,915.07 and 21,384.18 is: 32,075.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,944.22 : 131,915.07 = 21,384.18 : x
  2. Step 2: Convert to fraction form
    87,944.22/131,915.07 = 21,384.18/x
  3. Step 3: Cross multiply
    87,944.22x = 131,915.07 × 21,384.18
  4. Step 4: Simplify right side
    87,944.22x = 2,820,895,601.59
  5. Step 5: Solve for x
    x = 2,820,895,601.59/87,944.22
  6. Step 6: Final answer
    x = 32,075.96

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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.