Home / 43,344.48-65,016.11-13,761.86

Finding the Fourth Proportional to 43,344.48, 65,016.11 and 13,761.86

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Solution

The fourth proportional to 43,344.48, 65,016.11 and 13,761.86 is: 20,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,344.48 : 65,016.11 = 13,761.86 : x
  2. Step 2: Convert to fraction form
    43,344.48/65,016.11 = 13,761.86/x
  3. Step 3: Cross multiply
    43,344.48x = 65,016.11 × 13,761.86
  4. Step 4: Simplify right side
    43,344.48x = 894,742,603.56
  5. Step 5: Solve for x
    x = 894,742,603.56/43,344.48
  6. Step 6: Final answer
    x = 20,642.60

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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.