Home / 52,291.78-72,163.34-28,418.83

Finding the Fourth Proportional to 52,291.78, 72,163.34 and 28,418.83

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Solution

The fourth proportional to 52,291.78, 72,163.34 and 28,418.83 is: 39,218.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,291.78 : 72,163.34 = 28,418.83 : x
  2. Step 2: Convert to fraction form
    52,291.78/72,163.34 = 28,418.83/x
  3. Step 3: Cross multiply
    52,291.78x = 72,163.34 × 28,418.83
  4. Step 4: Simplify right side
    52,291.78x = 2,050,797,691.69
  5. Step 5: Solve for x
    x = 2,050,797,691.69/52,291.78
  6. Step 6: Final answer
    x = 39,218.36

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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.