Home / 52,857.90-79,286.40-13,414.46

Finding the Fourth Proportional to 52,857.90, 79,286.40 and 13,414.46

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Solution

The fourth proportional to 52,857.90, 79,286.40 and 13,414.46 is: 20,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,857.90 : 79,286.40 = 13,414.46 : x
  2. Step 2: Convert to fraction form
    52,857.90/79,286.40 = 13,414.46/x
  3. Step 3: Cross multiply
    52,857.90x = 79,286.40 × 13,414.46
  4. Step 4: Simplify right side
    52,857.90x = 1,063,583,844.91
  5. Step 5: Solve for x
    x = 1,063,583,844.91/52,857.90
  6. Step 6: Final answer
    x = 20,121.57

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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.