Home / 51,577.97-77,388.82-28,177.07

Finding the Fourth Proportional to 51,577.97, 77,388.82 and 28,177.07

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Solution

The fourth proportional to 51,577.97, 77,388.82 and 28,177.07 is: 42,277.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,577.97 : 77,388.82 = 28,177.07 : x
  2. Step 2: Convert to fraction form
    51,577.97/77,388.82 = 28,177.07/x
  3. Step 3: Cross multiply
    51,577.97x = 77,388.82 × 28,177.07
  4. Step 4: Simplify right side
    51,577.97x = 2,180,589,740.97
  5. Step 5: Solve for x
    x = 2,180,589,740.97/51,577.97
  6. Step 6: Final answer
    x = 42,277.55

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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.