Home / 51,505.17-71,081.65-28,843.80

Finding the Fourth Proportional to 51,505.17, 71,081.65 and 28,843.80

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Solution

The fourth proportional to 51,505.17, 71,081.65 and 28,843.80 is: 39,806.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,505.17 : 71,081.65 = 28,843.80 : x
  2. Step 2: Convert to fraction form
    51,505.17/71,081.65 = 28,843.80/x
  3. Step 3: Cross multiply
    51,505.17x = 71,081.65 × 28,843.80
  4. Step 4: Simplify right side
    51,505.17x = 2,050,264,665.77
  5. Step 5: Solve for x
    x = 2,050,264,665.77/51,505.17
  6. Step 6: Final answer
    x = 39,806.97

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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.