Home / 34,876.44-48,129.72-18,961.20

Finding the Fourth Proportional to 34,876.44, 48,129.72 and 18,961.20

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Solution

The fourth proportional to 34,876.44, 48,129.72 and 18,961.20 is: 26,166.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,876.44 : 48,129.72 = 18,961.20 : x
  2. Step 2: Convert to fraction form
    34,876.44/48,129.72 = 18,961.20/x
  3. Step 3: Cross multiply
    34,876.44x = 48,129.72 × 18,961.20
  4. Step 4: Simplify right side
    34,876.44x = 912,597,246.86
  5. Step 5: Solve for x
    x = 912,597,246.86/34,876.44
  6. Step 6: Final answer
    x = 26,166.58

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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.