Home / 86,415.38-129,674.09-36,492.24

Finding the Fourth Proportional to 86,415.38, 129,674.09 and 36,492.24

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Solution

The fourth proportional to 86,415.38, 129,674.09 and 36,492.24 is: 54,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,415.38 : 129,674.09 = 36,492.24 : x
  2. Step 2: Convert to fraction form
    86,415.38/129,674.09 = 36,492.24/x
  3. Step 3: Cross multiply
    86,415.38x = 129,674.09 × 36,492.24
  4. Step 4: Simplify right side
    86,415.38x = 4,732,098,105.29
  5. Step 5: Solve for x
    x = 4,732,098,105.29/86,415.38
  6. Step 6: Final answer
    x = 54,759.91

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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.