Home / 87,864.55-131,797.24-21,304.67

Finding the Fourth Proportional to 87,864.55, 131,797.24 and 21,304.67

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Solution

The fourth proportional to 87,864.55, 131,797.24 and 21,304.67 is: 31,957.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,864.55 : 131,797.24 = 21,304.67 : x
  2. Step 2: Convert to fraction form
    87,864.55/131,797.24 = 21,304.67/x
  3. Step 3: Cross multiply
    87,864.55x = 131,797.24 × 21,304.67
  4. Step 4: Simplify right side
    87,864.55x = 2,807,896,854.06
  5. Step 5: Solve for x
    x = 2,807,896,854.06/87,864.55
  6. Step 6: Final answer
    x = 31,957.11

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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.