Home / 53,652.65-80,447.36-20,375.06

Finding the Fourth Proportional to 53,652.65, 80,447.36 and 20,375.06

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Solution

The fourth proportional to 53,652.65, 80,447.36 and 20,375.06 is: 30,550.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,652.65 : 80,447.36 = 20,375.06 : x
  2. Step 2: Convert to fraction form
    53,652.65/80,447.36 = 20,375.06/x
  3. Step 3: Cross multiply
    53,652.65x = 80,447.36 × 20,375.06
  4. Step 4: Simplify right side
    53,652.65x = 1,639,119,282.73
  5. Step 5: Solve for x
    x = 1,639,119,282.73/53,652.65
  6. Step 6: Final answer
    x = 30,550.58

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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.