Home / 47,589.12-71,387.73-15,991.83

Finding the Fourth Proportional to 47,589.12, 71,387.73 and 15,991.83

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Solution

The fourth proportional to 47,589.12, 71,387.73 and 15,991.83 is: 23,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,589.12 : 71,387.73 = 15,991.83 : x
  2. Step 2: Convert to fraction form
    47,589.12/71,387.73 = 15,991.83/x
  3. Step 3: Cross multiply
    47,589.12x = 71,387.73 × 15,991.83
  4. Step 4: Simplify right side
    47,589.12x = 1,141,620,442.25
  5. Step 5: Solve for x
    x = 1,141,620,442.25/47,589.12
  6. Step 6: Final answer
    x = 23,989.11

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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.