Home / 52,619.18-72,613.28-28,745.96

Finding the Fourth Proportional to 52,619.18, 72,613.28 and 28,745.96

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Solution

The fourth proportional to 52,619.18, 72,613.28 and 28,745.96 is: 39,668.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,619.18 : 72,613.28 = 28,745.96 : x
  2. Step 2: Convert to fraction form
    52,619.18/72,613.28 = 28,745.96/x
  3. Step 3: Cross multiply
    52,619.18x = 72,613.28 × 28,745.96
  4. Step 4: Simplify right side
    52,619.18x = 2,087,338,442.35
  5. Step 5: Solve for x
    x = 2,087,338,442.35/52,619.18
  6. Step 6: Final answer
    x = 39,668.78

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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.