Home / 75,286.24-112,911-25,353.34

Finding the Fourth Proportional to 75,286.24, 112,911 and 25,353.34

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Solution

The fourth proportional to 75,286.24, 112,911 and 25,353.34 is: 38,023.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,286.24 : 112,911 = 25,353.34 : x
  2. Step 2: Convert to fraction form
    75,286.24/112,911 = 25,353.34/x
  3. Step 3: Cross multiply
    75,286.24x = 112,911 × 25,353.34
  4. Step 4: Simplify right side
    75,286.24x = 2,862,670,972.74
  5. Step 5: Solve for x
    x = 2,862,670,972.74/75,286.24
  6. Step 6: Final answer
    x = 38,023.83

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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.