Home / 41,731.29-57,557.77-28,984.50

Finding the Fourth Proportional to 41,731.29, 57,557.77 and 28,984.50

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Solution

The fourth proportional to 41,731.29, 57,557.77 and 28,984.50 is: 39,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,731.29 : 57,557.77 = 28,984.50 : x
  2. Step 2: Convert to fraction form
    41,731.29/57,557.77 = 28,984.50/x
  3. Step 3: Cross multiply
    41,731.29x = 57,557.77 × 28,984.50
  4. Step 4: Simplify right side
    41,731.29x = 1,668,283,112.10
  5. Step 5: Solve for x
    x = 1,668,283,112.10/41,731.29
  6. Step 6: Final answer
    x = 39,976.79

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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.