Home / 52,291.26-78,439.92-19,011.18

Finding the Fourth Proportional to 52,291.26, 78,439.92 and 19,011.18

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Solution

The fourth proportional to 52,291.26, 78,439.92 and 19,011.18 is: 28,517.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,291.26 : 78,439.92 = 19,011.18 : x
  2. Step 2: Convert to fraction form
    52,291.26/78,439.92 = 19,011.18/x
  3. Step 3: Cross multiply
    52,291.26x = 78,439.92 × 19,011.18
  4. Step 4: Simplify right side
    52,291.26x = 1,491,235,438.31
  5. Step 5: Solve for x
    x = 1,491,235,438.31/52,291.26
  6. Step 6: Final answer
    x = 28,517.87

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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.