Home / 49,678.46-74,517.68-28,887.38

Finding the Fourth Proportional to 49,678.46, 74,517.68 and 28,887.38

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Solution

The fourth proportional to 49,678.46, 74,517.68 and 28,887.38 is: 43,331.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,678.46 : 74,517.68 = 28,887.38 : x
  2. Step 2: Convert to fraction form
    49,678.46/74,517.68 = 28,887.38/x
  3. Step 3: Cross multiply
    49,678.46x = 74,517.68 × 28,887.38
  4. Step 4: Simplify right side
    49,678.46x = 2,152,620,238.51
  5. Step 5: Solve for x
    x = 2,152,620,238.51/49,678.46
  6. Step 6: Final answer
    x = 43,331.06

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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.