Home / 53,559.72-80,376.42-18,499.44

Finding the Fourth Proportional to 53,559.72, 80,376.42 and 18,499.44

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Solution

The fourth proportional to 53,559.72, 80,376.42 and 18,499.44 is: 27,761.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,559.72 : 80,376.42 = 18,499.44 : x
  2. Step 2: Convert to fraction form
    53,559.72/80,376.42 = 18,499.44/x
  3. Step 3: Cross multiply
    53,559.72x = 80,376.42 × 18,499.44
  4. Step 4: Simplify right side
    53,559.72x = 1,486,918,759.20
  5. Step 5: Solve for x
    x = 1,486,918,759.20/53,559.72
  6. Step 6: Final answer
    x = 27,761.88

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1.5x scale

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.