Home / 75,577.32-113,357.34-20,177.64

Finding the Fourth Proportional to 75,577.32, 113,357.34 and 20,177.64

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Solution

The fourth proportional to 75,577.32, 113,357.34 and 20,177.64 is: 30,264.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,577.32 : 113,357.34 = 20,177.64 : x
  2. Step 2: Convert to fraction form
    75,577.32/113,357.34 = 20,177.64/x
  3. Step 3: Cross multiply
    75,577.32x = 113,357.34 × 20,177.64
  4. Step 4: Simplify right side
    75,577.32x = 2,287,283,597.88
  5. Step 5: Solve for x
    x = 2,287,283,597.88/75,577.32
  6. Step 6: Final answer
    x = 30,264.15

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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.