Home / 20,625.30-30,938.43-5,043.06

Finding the Fourth Proportional to 20,625.30, 30,938.43 and 5,043.06

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Solution

The fourth proportional to 20,625.30, 30,938.43 and 5,043.06 is: 7,564.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,625.30 : 30,938.43 = 5,043.06 : x
  2. Step 2: Convert to fraction form
    20,625.30/30,938.43 = 5,043.06/x
  3. Step 3: Cross multiply
    20,625.30x = 30,938.43 × 5,043.06
  4. Step 4: Simplify right side
    20,625.30x = 156,024,358.80
  5. Step 5: Solve for x
    x = 156,024,358.80/20,625.30
  6. Step 6: Final answer
    x = 7,564.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.