Home / 53,586.81-80,380.20-18,045.15

Finding the Fourth Proportional to 53,586.81, 80,380.20 and 18,045.15

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Solution

The fourth proportional to 53,586.81, 80,380.20 and 18,045.15 is: 27,067.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,586.81 : 80,380.20 = 18,045.15 : x
  2. Step 2: Convert to fraction form
    53,586.81/80,380.20 = 18,045.15/x
  3. Step 3: Cross multiply
    53,586.81x = 80,380.20 × 18,045.15
  4. Step 4: Simplify right side
    53,586.81x = 1,450,472,766.03
  5. Step 5: Solve for x
    x = 1,450,472,766.03/53,586.81
  6. Step 6: Final answer
    x = 27,067.72

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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.