Home / 29,286.52-43,941.30-12,859

Finding the Fourth Proportional to 29,286.52, 43,941.30 and 12,859

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Solution

The fourth proportional to 29,286.52, 43,941.30 and 12,859 is: 19,293.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,286.52 : 43,941.30 = 12,859 : x
  2. Step 2: Convert to fraction form
    29,286.52/43,941.30 = 12,859/x
  3. Step 3: Cross multiply
    29,286.52x = 43,941.30 × 12,859
  4. Step 4: Simplify right side
    29,286.52x = 565,041,176.70
  5. Step 5: Solve for x
    x = 565,041,176.70/29,286.52
  6. Step 6: Final answer
    x = 19,293.56

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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.