Home / 38,191.11-52,704.30-21,196.45

Finding the Fourth Proportional to 38,191.11, 52,704.30 and 21,196.45

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Solution

The fourth proportional to 38,191.11, 52,704.30 and 21,196.45 is: 29,251.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,191.11 : 52,704.30 = 21,196.45 : x
  2. Step 2: Convert to fraction form
    38,191.11/52,704.30 = 21,196.45/x
  3. Step 3: Cross multiply
    38,191.11x = 52,704.30 × 21,196.45
  4. Step 4: Simplify right side
    38,191.11x = 1,117,144,205.10
  5. Step 5: Solve for x
    x = 1,117,144,205.10/38,191.11
  6. Step 6: Final answer
    x = 29,251.42

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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.