Home / 48,280.20-72,452.70-28,537.80

Finding the Fourth Proportional to 48,280.20, 72,452.70 and 28,537.80

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Solution

The fourth proportional to 48,280.20, 72,452.70 and 28,537.80 is: 42,825.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,280.20 : 72,452.70 = 28,537.80 : x
  2. Step 2: Convert to fraction form
    48,280.20/72,452.70 = 28,537.80/x
  3. Step 3: Cross multiply
    48,280.20x = 72,452.70 × 28,537.80
  4. Step 4: Simplify right side
    48,280.20x = 2,067,640,662.06
  5. Step 5: Solve for x
    x = 2,067,640,662.06/48,280.20
  6. Step 6: Final answer
    x = 42,825.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.