Home / 48,550.48-72,854.02-20,468.82

Finding the Fourth Proportional to 48,550.48, 72,854.02 and 20,468.82

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Solution

The fourth proportional to 48,550.48, 72,854.02 and 20,468.82 is: 30,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,550.48 : 72,854.02 = 20,468.82 : x
  2. Step 2: Convert to fraction form
    48,550.48/72,854.02 = 20,468.82/x
  3. Step 3: Cross multiply
    48,550.48x = 72,854.02 × 20,468.82
  4. Step 4: Simplify right side
    48,550.48x = 1,491,235,821.66
  5. Step 5: Solve for x
    x = 1,491,235,821.66/48,550.48
  6. Step 6: Final answer
    x = 30,715.16

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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.