Home / 87,652.32-131,416.92-30,712.28

Finding the Fourth Proportional to 87,652.32, 131,416.92 and 30,712.28

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Solution

The fourth proportional to 87,652.32, 131,416.92 and 30,712.28 is: 46,046.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,652.32 : 131,416.92 = 30,712.28 : x
  2. Step 2: Convert to fraction form
    87,652.32/131,416.92 = 30,712.28/x
  3. Step 3: Cross multiply
    87,652.32x = 131,416.92 × 30,712.28
  4. Step 4: Simplify right side
    87,652.32x = 4,036,113,243.78
  5. Step 5: Solve for x
    x = 4,036,113,243.78/87,652.32
  6. Step 6: Final answer
    x = 46,046.85

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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.