Home / 41,312.25-61,969.59-10,147.50

Finding the Fourth Proportional to 41,312.25, 61,969.59 and 10,147.50

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Solution

The fourth proportional to 41,312.25, 61,969.59 and 10,147.50 is: 15,221.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,312.25 : 61,969.59 = 10,147.50 : x
  2. Step 2: Convert to fraction form
    41,312.25/61,969.59 = 10,147.50/x
  3. Step 3: Cross multiply
    41,312.25x = 61,969.59 × 10,147.50
  4. Step 4: Simplify right side
    41,312.25x = 628,836,414.53
  5. Step 5: Solve for x
    x = 628,836,414.53/41,312.25
  6. Step 6: Final answer
    x = 15,221.55

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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.