Home / 31,754.32-43,789.80-29,242.96

Finding the Fourth Proportional to 31,754.32, 43,789.80 and 29,242.96

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Solution

The fourth proportional to 31,754.32, 43,789.80 and 29,242.96 is: 40,326.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,754.32 : 43,789.80 = 29,242.96 : x
  2. Step 2: Convert to fraction form
    31,754.32/43,789.80 = 29,242.96/x
  3. Step 3: Cross multiply
    31,754.32x = 43,789.80 × 29,242.96
  4. Step 4: Simplify right side
    31,754.32x = 1,280,543,369.81
  5. Step 5: Solve for x
    x = 1,280,543,369.81/31,754.32
  6. Step 6: Final answer
    x = 40,326.59

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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.