Home / 49,371.80-74,065.78-15,640.12

Finding the Fourth Proportional to 49,371.80, 74,065.78 and 15,640.12

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Solution

The fourth proportional to 49,371.80, 74,065.78 and 15,640.12 is: 23,462.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,371.80 : 74,065.78 = 15,640.12 : x
  2. Step 2: Convert to fraction form
    49,371.80/74,065.78 = 15,640.12/x
  3. Step 3: Cross multiply
    49,371.80x = 74,065.78 × 15,640.12
  4. Step 4: Simplify right side
    49,371.80x = 1,158,397,687.09
  5. Step 5: Solve for x
    x = 1,158,397,687.09/49,371.80
  6. Step 6: Final answer
    x = 23,462.74

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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.