Home / 34,418.12-51,616.85-12,228.57

Finding the Fourth Proportional to 34,418.12, 51,616.85 and 12,228.57

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Solution

The fourth proportional to 34,418.12, 51,616.85 and 12,228.57 is: 18,339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,418.12 : 51,616.85 = 12,228.57 : x
  2. Step 2: Convert to fraction form
    34,418.12/51,616.85 = 12,228.57/x
  3. Step 3: Cross multiply
    34,418.12x = 51,616.85 × 12,228.57
  4. Step 4: Simplify right side
    34,418.12x = 631,200,202.26
  5. Step 5: Solve for x
    x = 631,200,202.26/34,418.12
  6. Step 6: Final answer
    x = 18,339.19

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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.