Home / 53,437.20-80,144.87-18,379.59

Finding the Fourth Proportional to 53,437.20, 80,144.87 and 18,379.59

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Solution

The fourth proportional to 53,437.20, 80,144.87 and 18,379.59 is: 27,565.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,437.20 : 80,144.87 = 18,379.59 : x
  2. Step 2: Convert to fraction form
    53,437.20/80,144.87 = 18,379.59/x
  3. Step 3: Cross multiply
    53,437.20x = 80,144.87 × 18,379.59
  4. Step 4: Simplify right side
    53,437.20x = 1,473,029,759.31
  5. Step 5: Solve for x
    x = 1,473,029,759.31/53,437.20
  6. Step 6: Final answer
    x = 27,565.62

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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.