Home / 87,337.98-130,957.76-30,385.77

Finding the Fourth Proportional to 87,337.98, 130,957.76 and 30,385.77

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Solution

The fourth proportional to 87,337.98, 130,957.76 and 30,385.77 is: 45,561.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,337.98 : 130,957.76 = 30,385.77 : x
  2. Step 2: Convert to fraction form
    87,337.98/130,957.76 = 30,385.77/x
  3. Step 3: Cross multiply
    87,337.98x = 130,957.76 × 30,385.77
  4. Step 4: Simplify right side
    87,337.98x = 3,979,251,606.34
  5. Step 5: Solve for x
    x = 3,979,251,606.34/87,337.98
  6. Step 6: Final answer
    x = 45,561.53

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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.