Home / 87,004.40-130,504.21-27,839.22

Finding the Fourth Proportional to 87,004.40, 130,504.21 and 27,839.22

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Solution

The fourth proportional to 87,004.40, 130,504.21 and 27,839.22 is: 41,758.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,004.40 : 130,504.21 = 27,839.22 : x
  2. Step 2: Convert to fraction form
    87,004.40/130,504.21 = 27,839.22/x
  3. Step 3: Cross multiply
    87,004.40x = 130,504.21 × 27,839.22
  4. Step 4: Simplify right side
    87,004.40x = 3,633,135,377.77
  5. Step 5: Solve for x
    x = 3,633,135,377.77/87,004.40
  6. Step 6: Final answer
    x = 41,758.06

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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.