Home / 49,760.57-68,675.87-28,539.38

Finding the Fourth Proportional to 49,760.57, 68,675.87 and 28,539.38

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Solution

The fourth proportional to 49,760.57, 68,675.87 and 28,539.38 is: 39,387.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,760.57 : 68,675.87 = 28,539.38 : x
  2. Step 2: Convert to fraction form
    49,760.57/68,675.87 = 28,539.38/x
  3. Step 3: Cross multiply
    49,760.57x = 68,675.87 × 28,539.38
  4. Step 4: Simplify right side
    49,760.57x = 1,959,966,264.68
  5. Step 5: Solve for x
    x = 1,959,966,264.68/49,760.57
  6. Step 6: Final answer
    x = 39,387.94

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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.