Home / 87,943.39-131,913.68-27,971.00

Finding the Fourth Proportional to 87,943.39, 131,913.68 and 27,971.00

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Solution

The fourth proportional to 87,943.39, 131,913.68 and 27,971.00 is: 41,956.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,943.39 : 131,913.68 = 27,971.00 : x
  2. Step 2: Convert to fraction form
    87,943.39/131,913.68 = 27,971.00/x
  3. Step 3: Cross multiply
    87,943.39x = 131,913.68 × 27,971.00
  4. Step 4: Simplify right side
    87,943.39x = 3,689,756,743.86
  5. Step 5: Solve for x
    x = 3,689,756,743.86/87,943.39
  6. Step 6: Final answer
    x = 41,956.05

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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.