Home / 34,691.85-47,874.74-18,776.30

Finding the Fourth Proportional to 34,691.85, 47,874.74 and 18,776.30

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Solution

The fourth proportional to 34,691.85, 47,874.74 and 18,776.30 is: 25,911.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,691.85 : 47,874.74 = 18,776.30 : x
  2. Step 2: Convert to fraction form
    34,691.85/47,874.74 = 18,776.30/x
  3. Step 3: Cross multiply
    34,691.85x = 47,874.74 × 18,776.30
  4. Step 4: Simplify right side
    34,691.85x = 898,910,480.66
  5. Step 5: Solve for x
    x = 898,910,480.66/34,691.85
  6. Step 6: Final answer
    x = 25,911.29

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1.5x scale

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.