Home / 48,278.92-66,648.18-30,382.60

Finding the Fourth Proportional to 48,278.92, 66,648.18 and 30,382.60

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Solution

The fourth proportional to 48,278.92, 66,648.18 and 30,382.60 is: 41,942.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,278.92 : 66,648.18 = 30,382.60 : x
  2. Step 2: Convert to fraction form
    48,278.92/66,648.18 = 30,382.60/x
  3. Step 3: Cross multiply
    48,278.92x = 66,648.18 × 30,382.60
  4. Step 4: Simplify right side
    48,278.92x = 2,024,944,993.67
  5. Step 5: Solve for x
    x = 2,024,944,993.67/48,278.92
  6. Step 6: Final answer
    x = 41,942.63

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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.