Home / 38,747.70-58,121.55-29,999.70

Finding the Fourth Proportional to 38,747.70, 58,121.55 and 29,999.70

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Solution

The fourth proportional to 38,747.70, 58,121.55 and 29,999.70 is: 44,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,747.70 : 58,121.55 = 29,999.70 : x
  2. Step 2: Convert to fraction form
    38,747.70/58,121.55 = 29,999.70/x
  3. Step 3: Cross multiply
    38,747.70x = 58,121.55 × 29,999.70
  4. Step 4: Simplify right side
    38,747.70x = 1,743,629,063.54
  5. Step 5: Solve for x
    x = 1,743,629,063.54/38,747.70
  6. Step 6: Final answer
    x = 44,999.55

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1.5x scale

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.