Home / 53,789.88-80,686.62-18,250.86

Finding the Fourth Proportional to 53,789.88, 80,686.62 and 18,250.86

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Solution

The fourth proportional to 53,789.88, 80,686.62 and 18,250.86 is: 27,376.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,789.88 : 80,686.62 = 18,250.86 : x
  2. Step 2: Convert to fraction form
    53,789.88/80,686.62 = 18,250.86/x
  3. Step 3: Cross multiply
    53,789.88x = 80,686.62 × 18,250.86
  4. Step 4: Simplify right side
    53,789.88x = 1,472,600,205.49
  5. Step 5: Solve for x
    x = 1,472,600,205.49/53,789.88
  6. Step 6: Final answer
    x = 27,376.90

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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.