Home / 43,883.28-65,824.80-20,526.12

Finding the Fourth Proportional to 43,883.28, 65,824.80 and 20,526.12

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Solution

The fourth proportional to 43,883.28, 65,824.80 and 20,526.12 is: 30,789.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,883.28 : 65,824.80 = 20,526.12 : x
  2. Step 2: Convert to fraction form
    43,883.28/65,824.80 = 20,526.12/x
  3. Step 3: Cross multiply
    43,883.28x = 65,824.80 × 20,526.12
  4. Step 4: Simplify right side
    43,883.28x = 1,351,127,743.78
  5. Step 5: Solve for x
    x = 1,351,127,743.78/43,883.28
  6. Step 6: Final answer
    x = 30,789.12

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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.