Home / 34,512.24-47,517.78-31,359

Finding the Fourth Proportional to 34,512.24, 47,517.78 and 31,359

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Solution

The fourth proportional to 34,512.24, 47,517.78 and 31,359 is: 43,176.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,512.24 : 47,517.78 = 31,359 : x
  2. Step 2: Convert to fraction form
    34,512.24/47,517.78 = 31,359/x
  3. Step 3: Cross multiply
    34,512.24x = 47,517.78 × 31,359
  4. Step 4: Simplify right side
    34,512.24x = 1,490,110,063.02
  5. Step 5: Solve for x
    x = 1,490,110,063.02/34,512.24
  6. Step 6: Final answer
    x = 43,176.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.