Home / 41,318.59-61,982.30-13,228.60

Finding the Fourth Proportional to 41,318.59, 61,982.30 and 13,228.60

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Solution

The fourth proportional to 41,318.59, 61,982.30 and 13,228.60 is: 19,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,318.59 : 61,982.30 = 13,228.60 : x
  2. Step 2: Convert to fraction form
    41,318.59/61,982.30 = 13,228.60/x
  3. Step 3: Cross multiply
    41,318.59x = 61,982.30 × 13,228.60
  4. Step 4: Simplify right side
    41,318.59x = 819,939,053.78
  5. Step 5: Solve for x
    x = 819,939,053.78/41,318.59
  6. Step 6: Final answer
    x = 19,844.31

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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.