Home / 55,608.30-83,375.60-30,660.30

Finding the Fourth Proportional to 55,608.30, 83,375.60 and 30,660.30

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Solution

The fourth proportional to 55,608.30, 83,375.60 and 30,660.30 is: 45,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,608.30 : 83,375.60 = 30,660.30 : x
  2. Step 2: Convert to fraction form
    55,608.30/83,375.60 = 30,660.30/x
  3. Step 3: Cross multiply
    55,608.30x = 83,375.60 × 30,660.30
  4. Step 4: Simplify right side
    55,608.30x = 2,556,320,755.38
  5. Step 5: Solve for x
    x = 2,556,320,755.38/55,608.30
  6. Step 6: Final answer
    x = 45,970.13

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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.