Home / 87,002.20-130,522.71-27,841.42

Finding the Fourth Proportional to 87,002.20, 130,522.71 and 27,841.42

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Solution

The fourth proportional to 87,002.20, 130,522.71 and 27,841.42 is: 41,768.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,002.20 : 130,522.71 = 27,841.42 : x
  2. Step 2: Convert to fraction form
    87,002.20/130,522.71 = 27,841.42/x
  3. Step 3: Cross multiply
    87,002.20x = 130,522.71 × 27,841.42
  4. Step 4: Simplify right side
    87,002.20x = 3,633,937,588.65
  5. Step 5: Solve for x
    x = 3,633,937,588.65/87,002.20
  6. Step 6: Final answer
    x = 41,768.34

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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.