Home / 30,117.75-41,561.38-17,371.46

Finding the Fourth Proportional to 30,117.75, 41,561.38 and 17,371.46

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Solution

The fourth proportional to 30,117.75, 41,561.38 and 17,371.46 is: 23,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.75 : 41,561.38 = 17,371.46 : x
  2. Step 2: Convert to fraction form
    30,117.75/41,561.38 = 17,371.46/x
  3. Step 3: Cross multiply
    30,117.75x = 41,561.38 × 17,371.46
  4. Step 4: Simplify right side
    30,117.75x = 721,981,702.88
  5. Step 5: Solve for x
    x = 721,981,702.88/30,117.75
  6. Step 6: Final answer
    x = 23,971.96

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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.