Home / 75,641.20-113,474.11-22,338.56

Finding the Fourth Proportional to 75,641.20, 113,474.11 and 22,338.56

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Solution

The fourth proportional to 75,641.20, 113,474.11 and 22,338.56 is: 33,511.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,641.20 : 113,474.11 = 22,338.56 : x
  2. Step 2: Convert to fraction form
    75,641.20/113,474.11 = 22,338.56/x
  3. Step 3: Cross multiply
    75,641.20x = 113,474.11 × 22,338.56
  4. Step 4: Simplify right side
    75,641.20x = 2,534,848,102.99
  5. Step 5: Solve for x
    x = 2,534,848,102.99/75,641.20
  6. Step 6: Final answer
    x = 33,511.48

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1.5x scale

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.