Home / 34,876.36-48,129.24-18,960.85

Finding the Fourth Proportional to 34,876.36, 48,129.24 and 18,960.85

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Solution

The fourth proportional to 34,876.36, 48,129.24 and 18,960.85 is: 26,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,876.36 : 48,129.24 = 18,960.85 : x
  2. Step 2: Convert to fraction form
    34,876.36/48,129.24 = 18,960.85/x
  3. Step 3: Cross multiply
    34,876.36x = 48,129.24 × 18,960.85
  4. Step 4: Simplify right side
    34,876.36x = 912,571,300.25
  5. Step 5: Solve for x
    x = 912,571,300.25/34,876.36
  6. Step 6: Final answer
    x = 26,165.90

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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.