Home / 52,292.28-72,163.14-28,418.88

Finding the Fourth Proportional to 52,292.28, 72,163.14 and 28,418.88

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Solution

The fourth proportional to 52,292.28, 72,163.14 and 28,418.88 is: 39,217.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,292.28 : 72,163.14 = 28,418.88 : x
  2. Step 2: Convert to fraction form
    52,292.28/72,163.14 = 28,418.88/x
  3. Step 3: Cross multiply
    52,292.28x = 72,163.14 × 28,418.88
  4. Step 4: Simplify right side
    52,292.28x = 2,050,795,780.12
  5. Step 5: Solve for x
    x = 2,050,795,780.12/52,292.28
  6. Step 6: Final answer
    x = 39,217.94

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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.