Home / 49,049.74-67,686.60-28,907.47

Finding the Fourth Proportional to 49,049.74, 67,686.60 and 28,907.47

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Solution

The fourth proportional to 49,049.74, 67,686.60 and 28,907.47 is: 39,891.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,049.74 : 67,686.60 = 28,907.47 : x
  2. Step 2: Convert to fraction form
    49,049.74/67,686.60 = 28,907.47/x
  3. Step 3: Cross multiply
    49,049.74x = 67,686.60 × 28,907.47
  4. Step 4: Simplify right side
    49,049.74x = 1,956,648,358.90
  5. Step 5: Solve for x
    x = 1,956,648,358.90/49,049.74
  6. Step 6: Final answer
    x = 39,891.11

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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.