Home / 51,770.75-71,444.40-29,109.61

Finding the Fourth Proportional to 51,770.75, 71,444.40 and 29,109.61

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Solution

The fourth proportional to 51,770.75, 71,444.40 and 29,109.61 is: 40,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,770.75 : 71,444.40 = 29,109.61 : x
  2. Step 2: Convert to fraction form
    51,770.75/71,444.40 = 29,109.61/x
  3. Step 3: Cross multiply
    51,770.75x = 71,444.40 × 29,109.61
  4. Step 4: Simplify right side
    51,770.75x = 2,079,718,600.83
  5. Step 5: Solve for x
    x = 2,079,718,600.83/51,770.75
  6. Step 6: Final answer
    x = 40,171.70

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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.