Home / 34,120.64-51,156.72-13,042.92

Finding the Fourth Proportional to 34,120.64, 51,156.72 and 13,042.92

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Solution

The fourth proportional to 34,120.64, 51,156.72 and 13,042.92 is: 19,555.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,120.64 : 51,156.72 = 13,042.92 : x
  2. Step 2: Convert to fraction form
    34,120.64/51,156.72 = 13,042.92/x
  3. Step 3: Cross multiply
    34,120.64x = 51,156.72 × 13,042.92
  4. Step 4: Simplify right side
    34,120.64x = 667,233,006.42
  5. Step 5: Solve for x
    x = 667,233,006.42/34,120.64
  6. Step 6: Final answer
    x = 19,555.11

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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.