Home / 31,369.68-47,042.25-11,374.42

Finding the Fourth Proportional to 31,369.68, 47,042.25 and 11,374.42

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Solution

The fourth proportional to 31,369.68, 47,042.25 and 11,374.42 is: 17,057.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,369.68 : 47,042.25 = 11,374.42 : x
  2. Step 2: Convert to fraction form
    31,369.68/47,042.25 = 11,374.42/x
  3. Step 3: Cross multiply
    31,369.68x = 47,042.25 × 11,374.42
  4. Step 4: Simplify right side
    31,369.68x = 535,078,309.25
  5. Step 5: Solve for x
    x = 535,078,309.25/31,369.68
  6. Step 6: Final answer
    x = 17,057.18

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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.