Home / 51,480.77-71,044.65-28,819.17

Finding the Fourth Proportional to 51,480.77, 71,044.65 and 28,819.17

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Solution

The fourth proportional to 51,480.77, 71,044.65 and 28,819.17 is: 39,771.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,480.77 : 71,044.65 = 28,819.17 : x
  2. Step 2: Convert to fraction form
    51,480.77/71,044.65 = 28,819.17/x
  3. Step 3: Cross multiply
    51,480.77x = 71,044.65 × 28,819.17
  4. Step 4: Simplify right side
    51,480.77x = 2,047,447,845.94
  5. Step 5: Solve for x
    x = 2,047,447,845.94/51,480.77
  6. Step 6: Final answer
    x = 39,771.12

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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.