Home / 43,921.38-65,888.37-14,331.90

Finding the Fourth Proportional to 43,921.38, 65,888.37 and 14,331.90

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Solution

The fourth proportional to 43,921.38, 65,888.37 and 14,331.90 is: 21,499.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,921.38 : 65,888.37 = 14,331.90 : x
  2. Step 2: Convert to fraction form
    43,921.38/65,888.37 = 14,331.90/x
  3. Step 3: Cross multiply
    43,921.38x = 65,888.37 × 14,331.90
  4. Step 4: Simplify right side
    43,921.38x = 944,305,530.00
  5. Step 5: Solve for x
    x = 944,305,530.00/43,921.38
  6. Step 6: Final answer
    x = 21,499.91

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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.