Home / 49,721.32-68,616.96-28,211.97

Finding the Fourth Proportional to 49,721.32, 68,616.96 and 28,211.97

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Solution

The fourth proportional to 49,721.32, 68,616.96 and 28,211.97 is: 38,933.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,721.32 : 68,616.96 = 28,211.97 : x
  2. Step 2: Convert to fraction form
    49,721.32/68,616.96 = 28,211.97/x
  3. Step 3: Cross multiply
    49,721.32x = 68,616.96 × 28,211.97
  4. Step 4: Simplify right side
    49,721.32x = 1,935,819,546.48
  5. Step 5: Solve for x
    x = 1,935,819,546.48/49,721.32
  6. Step 6: Final answer
    x = 38,933.39

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1.5x scale

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.