Home / 43,913.38-65,863.36-14,331.20

Finding the Fourth Proportional to 43,913.38, 65,863.36 and 14,331.20

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Solution

The fourth proportional to 43,913.38, 65,863.36 and 14,331.20 is: 21,494.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,913.38 : 65,863.36 = 14,331.20 : x
  2. Step 2: Convert to fraction form
    43,913.38/65,863.36 = 14,331.20/x
  3. Step 3: Cross multiply
    43,913.38x = 65,863.36 × 14,331.20
  4. Step 4: Simplify right side
    43,913.38x = 943,900,984.83
  5. Step 5: Solve for x
    x = 943,900,984.83/43,913.38
  6. Step 6: Final answer
    x = 21,494.61

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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.