Home / 75,446.19-113,169.24-19,286.40

Finding the Fourth Proportional to 75,446.19, 113,169.24 and 19,286.40

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Solution

The fourth proportional to 75,446.19, 113,169.24 and 19,286.40 is: 28,929.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,446.19 : 113,169.24 = 19,286.40 : x
  2. Step 2: Convert to fraction form
    75,446.19/113,169.24 = 19,286.40/x
  3. Step 3: Cross multiply
    75,446.19x = 113,169.24 × 19,286.40
  4. Step 4: Simplify right side
    75,446.19x = 2,182,627,230.34
  5. Step 5: Solve for x
    x = 2,182,627,230.34/75,446.19
  6. Step 6: Final answer
    x = 28,929.59

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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.