Home / 75,974.34-113,961.33-20,570.34

Finding the Fourth Proportional to 75,974.34, 113,961.33 and 20,570.34

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Solution

The fourth proportional to 75,974.34, 113,961.33 and 20,570.34 is: 30,855.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,974.34 : 113,961.33 = 20,570.34 : x
  2. Step 2: Convert to fraction form
    75,974.34/113,961.33 = 20,570.34/x
  3. Step 3: Cross multiply
    75,974.34x = 113,961.33 × 20,570.34
  4. Step 4: Simplify right side
    75,974.34x = 2,344,223,304.95
  5. Step 5: Solve for x
    x = 2,344,223,304.95/75,974.34
  6. Step 6: Final answer
    x = 30,855.46

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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.