Home / 51,479.17-71,037.33-28,812.97

Finding the Fourth Proportional to 51,479.17, 71,037.33 and 28,812.97

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Solution

The fourth proportional to 51,479.17, 71,037.33 and 28,812.97 is: 39,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,479.17 : 71,037.33 = 28,812.97 : x
  2. Step 2: Convert to fraction form
    51,479.17/71,037.33 = 28,812.97/x
  3. Step 3: Cross multiply
    51,479.17x = 71,037.33 × 28,812.97
  4. Step 4: Simplify right side
    51,479.17x = 2,046,796,458.17
  5. Step 5: Solve for x
    x = 2,046,796,458.17/51,479.17
  6. Step 6: Final answer
    x = 39,759.70

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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.