Home / 49,110.14-67,780.22-28,972.02

Finding the Fourth Proportional to 49,110.14, 67,780.22 and 28,972.02

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Solution

The fourth proportional to 49,110.14, 67,780.22 and 28,972.02 is: 39,986.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,110.14 : 67,780.22 = 28,972.02 : x
  2. Step 2: Convert to fraction form
    49,110.14/67,780.22 = 28,972.02/x
  3. Step 3: Cross multiply
    49,110.14x = 67,780.22 × 28,972.02
  4. Step 4: Simplify right side
    49,110.14x = 1,963,729,744.58
  5. Step 5: Solve for x
    x = 1,963,729,744.58/49,110.14
  6. Step 6: Final answer
    x = 39,986.24

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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.