Home / 49,830.46-74,765.94-20,250.61

Finding the Fourth Proportional to 49,830.46, 74,765.94 and 20,250.61

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Solution

The fourth proportional to 49,830.46, 74,765.94 and 20,250.61 is: 30,384.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,830.46 : 74,765.94 = 20,250.61 : x
  2. Step 2: Convert to fraction form
    49,830.46/74,765.94 = 20,250.61/x
  3. Step 3: Cross multiply
    49,830.46x = 74,765.94 × 20,250.61
  4. Step 4: Simplify right side
    49,830.46x = 1,514,055,892.22
  5. Step 5: Solve for x
    x = 1,514,055,892.22/49,830.46
  6. Step 6: Final answer
    x = 30,384.14

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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.