Home / 41,287.17-61,947.17-13,211.55

Finding the Fourth Proportional to 41,287.17, 61,947.17 and 13,211.55

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Solution

The fourth proportional to 41,287.17, 61,947.17 and 13,211.55 is: 19,822.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,287.17 : 61,947.17 = 13,211.55 : x
  2. Step 2: Convert to fraction form
    41,287.17/61,947.17 = 13,211.55/x
  3. Step 3: Cross multiply
    41,287.17x = 61,947.17 × 13,211.55
  4. Step 4: Simplify right side
    41,287.17x = 818,418,067.76
  5. Step 5: Solve for x
    x = 818,418,067.76/41,287.17
  6. Step 6: Final answer
    x = 19,822.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.