Home / 87,249.85-130,873.33-21,585.85

Finding the Fourth Proportional to 87,249.85, 130,873.33 and 21,585.85

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Solution

The fourth proportional to 87,249.85, 130,873.33 and 21,585.85 is: 32,378.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,249.85 : 130,873.33 = 21,585.85 : x
  2. Step 2: Convert to fraction form
    87,249.85/130,873.33 = 21,585.85/x
  3. Step 3: Cross multiply
    87,249.85x = 130,873.33 × 21,585.85
  4. Step 4: Simplify right side
    87,249.85x = 2,825,011,362.05
  5. Step 5: Solve for x
    x = 2,825,011,362.05/87,249.85
  6. Step 6: Final answer
    x = 32,378.41

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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.