Home / 43,331.72-65,014.86-15,631.88

Finding the Fourth Proportional to 43,331.72, 65,014.86 and 15,631.88

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Solution

The fourth proportional to 43,331.72, 65,014.86 and 15,631.88 is: 23,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,331.72 : 65,014.86 = 15,631.88 : x
  2. Step 2: Convert to fraction form
    43,331.72/65,014.86 = 15,631.88/x
  3. Step 3: Cross multiply
    43,331.72x = 65,014.86 × 15,631.88
  4. Step 4: Simplify right side
    43,331.72x = 1,016,304,489.74
  5. Step 5: Solve for x
    x = 1,016,304,489.74/43,331.72
  6. Step 6: Final answer
    x = 23,454.05

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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.