Home / 43,350.90-65,033.19-18,391.02

Finding the Fourth Proportional to 43,350.90, 65,033.19 and 18,391.02

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Solution

The fourth proportional to 43,350.90, 65,033.19 and 18,391.02 is: 27,589.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,350.90 : 65,033.19 = 18,391.02 : x
  2. Step 2: Convert to fraction form
    43,350.90/65,033.19 = 18,391.02/x
  3. Step 3: Cross multiply
    43,350.90x = 65,033.19 × 18,391.02
  4. Step 4: Simplify right side
    43,350.90x = 1,196,026,697.95
  5. Step 5: Solve for x
    x = 1,196,026,697.95/43,350.90
  6. Step 6: Final answer
    x = 27,589.43

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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.