Home / 31,818.24-43,909.56-17,672.40

Finding the Fourth Proportional to 31,818.24, 43,909.56 and 17,672.40

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Solution

The fourth proportional to 31,818.24, 43,909.56 and 17,672.40 is: 24,388.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,818.24 : 43,909.56 = 17,672.40 : x
  2. Step 2: Convert to fraction form
    31,818.24/43,909.56 = 17,672.40/x
  3. Step 3: Cross multiply
    31,818.24x = 43,909.56 × 17,672.40
  4. Step 4: Simplify right side
    31,818.24x = 775,987,308.14
  5. Step 5: Solve for x
    x = 775,987,308.14/31,818.24
  6. Step 6: Final answer
    x = 24,388.13

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