Home / 43,932.72-65,867.70-20,546.40

Finding the Fourth Proportional to 43,932.72, 65,867.70 and 20,546.40

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Solution

The fourth proportional to 43,932.72, 65,867.70 and 20,546.40 is: 30,804.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,932.72 : 65,867.70 = 20,546.40 : x
  2. Step 2: Convert to fraction form
    43,932.72/65,867.70 = 20,546.40/x
  3. Step 3: Cross multiply
    43,932.72x = 65,867.70 × 20,546.40
  4. Step 4: Simplify right side
    43,932.72x = 1,353,344,111.28
  5. Step 5: Solve for x
    x = 1,353,344,111.28/43,932.72
  6. Step 6: Final answer
    x = 30,804.92

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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.