Home / 51,144.40-76,621.56-27,790.48

Finding the Fourth Proportional to 51,144.40, 76,621.56 and 27,790.48

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Solution

The fourth proportional to 51,144.40, 76,621.56 and 27,790.48 is: 41,634.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,144.40 : 76,621.56 = 27,790.48 : x
  2. Step 2: Convert to fraction form
    51,144.40/76,621.56 = 27,790.48/x
  3. Step 3: Cross multiply
    51,144.40x = 76,621.56 × 27,790.48
  4. Step 4: Simplify right side
    51,144.40x = 2,129,349,930.75
  5. Step 5: Solve for x
    x = 2,129,349,930.75/51,144.40
  6. Step 6: Final answer
    x = 41,634.08

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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.