Home / 48,552.48-72,857.02-20,470.82

Finding the Fourth Proportional to 48,552.48, 72,857.02 and 20,470.82

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Solution

The fourth proportional to 48,552.48, 72,857.02 and 20,470.82 is: 30,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,552.48 : 72,857.02 = 20,470.82 : x
  2. Step 2: Convert to fraction form
    48,552.48/72,857.02 = 20,470.82/x
  3. Step 3: Cross multiply
    48,552.48x = 72,857.02 × 20,470.82
  4. Step 4: Simplify right side
    48,552.48x = 1,491,442,942.16
  5. Step 5: Solve for x
    x = 1,491,442,942.16/48,552.48
  6. Step 6: Final answer
    x = 30,718.16

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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.