Home / 31,932.75-47,921.13-11,156.25

Finding the Fourth Proportional to 31,932.75, 47,921.13 and 11,156.25

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Solution

The fourth proportional to 31,932.75, 47,921.13 and 11,156.25 is: 16,742.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,932.75 : 47,921.13 = 11,156.25 : x
  2. Step 2: Convert to fraction form
    31,932.75/47,921.13 = 11,156.25/x
  3. Step 3: Cross multiply
    31,932.75x = 47,921.13 × 11,156.25
  4. Step 4: Simplify right side
    31,932.75x = 534,620,106.56
  5. Step 5: Solve for x
    x = 534,620,106.56/31,932.75
  6. Step 6: Final answer
    x = 16,742.06

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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.