Home / 87,009.43-130,538.64-33,717.50

Finding the Fourth Proportional to 87,009.43, 130,538.64 and 33,717.50

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Solution

The fourth proportional to 87,009.43, 130,538.64 and 33,717.50 is: 50,585.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,009.43 : 130,538.64 = 33,717.50 : x
  2. Step 2: Convert to fraction form
    87,009.43/130,538.64 = 33,717.50/x
  3. Step 3: Cross multiply
    87,009.43x = 130,538.64 × 33,717.50
  4. Step 4: Simplify right side
    87,009.43x = 4,401,437,046.99
  5. Step 5: Solve for x
    x = 4,401,437,046.99/87,009.43
  6. Step 6: Final answer
    x = 50,585.75

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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.