Home / 34,861.46-48,108.79-18,945.91

Finding the Fourth Proportional to 34,861.46, 48,108.79 and 18,945.91

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Solution

The fourth proportional to 34,861.46, 48,108.79 and 18,945.91 is: 26,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,861.46 : 48,108.79 = 18,945.91 : x
  2. Step 2: Convert to fraction form
    34,861.46/48,108.79 = 18,945.91/x
  3. Step 3: Cross multiply
    34,861.46x = 48,108.79 × 18,945.91
  4. Step 4: Simplify right side
    34,861.46x = 911,464,470.28
  5. Step 5: Solve for x
    x = 911,464,470.28/34,861.46
  6. Step 6: Final answer
    x = 26,145.34

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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.