Home / 52,253.91-72,109.20-28,380.07

Finding the Fourth Proportional to 52,253.91, 72,109.20 and 28,380.07

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Solution

The fourth proportional to 52,253.91, 72,109.20 and 28,380.07 is: 39,163.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,253.91 : 72,109.20 = 28,380.07 : x
  2. Step 2: Convert to fraction form
    52,253.91/72,109.20 = 28,380.07/x
  3. Step 3: Cross multiply
    52,253.91x = 72,109.20 × 28,380.07
  4. Step 4: Simplify right side
    52,253.91x = 2,046,464,340.21
  5. Step 5: Solve for x
    x = 2,046,464,340.21/52,253.91
  6. Step 6: Final answer
    x = 39,163.85

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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.