Home / 87,018.38-130,527.68-23,839.05

Finding the Fourth Proportional to 87,018.38, 130,527.68 and 23,839.05

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Solution

The fourth proportional to 87,018.38, 130,527.68 and 23,839.05 is: 35,758.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,018.38 : 130,527.68 = 23,839.05 : x
  2. Step 2: Convert to fraction form
    87,018.38/130,527.68 = 23,839.05/x
  3. Step 3: Cross multiply
    87,018.38x = 130,527.68 × 23,839.05
  4. Step 4: Simplify right side
    87,018.38x = 3,111,655,770.71
  5. Step 5: Solve for x
    x = 3,111,655,770.71/87,018.38
  6. Step 6: Final answer
    x = 35,758.61

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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.