Home / 34,906.16-48,170.88-18,990.59

Finding the Fourth Proportional to 34,906.16, 48,170.88 and 18,990.59

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Solution

The fourth proportional to 34,906.16, 48,170.88 and 18,990.59 is: 26,207.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,906.16 : 48,170.88 = 18,990.59 : x
  2. Step 2: Convert to fraction form
    34,906.16/48,170.88 = 18,990.59/x
  3. Step 3: Cross multiply
    34,906.16x = 48,170.88 × 18,990.59
  4. Step 4: Simplify right side
    34,906.16x = 914,793,191.16
  5. Step 5: Solve for x
    x = 914,793,191.16/34,906.16
  6. Step 6: Final answer
    x = 26,207.21

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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.