Home / 41.11-56.66-34.20

Finding the Fourth Proportional to 41.11, 56.66 and 34.20

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Solution

The fourth proportional to 41.11, 56.66 and 34.20 is: 47.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.11 : 56.66 = 34.20 : x
  2. Step 2: Convert to fraction form
    41.11/56.66 = 34.20/x
  3. Step 3: Cross multiply
    41.11x = 56.66 × 34.20
  4. Step 4: Simplify right side
    41.11x = 1,937.60
  5. Step 5: Solve for x
    x = 1,937.60/41.11
  6. Step 6: Final answer
    x = 47.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.