Home / 53,932.59-80,935.33-18,872.55

Finding the Fourth Proportional to 53,932.59, 80,935.33 and 18,872.55

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Solution

The fourth proportional to 53,932.59, 80,935.33 and 18,872.55 is: 28,321.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,932.59 : 80,935.33 = 18,872.55 : x
  2. Step 2: Convert to fraction form
    53,932.59/80,935.33 = 18,872.55/x
  3. Step 3: Cross multiply
    53,932.59x = 80,935.33 × 18,872.55
  4. Step 4: Simplify right side
    53,932.59x = 1,527,455,610.33
  5. Step 5: Solve for x
    x = 1,527,455,610.33/53,932.59
  6. Step 6: Final answer
    x = 28,321.57

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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.