Home / 52,251.91-72,108.17-28,379.05

Finding the Fourth Proportional to 52,251.91, 72,108.17 and 28,379.05

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Solution

The fourth proportional to 52,251.91, 72,108.17 and 28,379.05 is: 39,163.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,251.91 : 72,108.17 = 28,379.05 : x
  2. Step 2: Convert to fraction form
    52,251.91/72,108.17 = 28,379.05/x
  3. Step 3: Cross multiply
    52,251.91x = 72,108.17 × 28,379.05
  4. Step 4: Simplify right side
    52,251.91x = 2,046,361,361.84
  5. Step 5: Solve for x
    x = 2,046,361,361.84/52,251.91
  6. Step 6: Final answer
    x = 39,163.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.