Home / 30,552.75-42,166.17-17,125.29

Finding the Fourth Proportional to 30,552.75, 42,166.17 and 17,125.29

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Solution

The fourth proportional to 30,552.75, 42,166.17 and 17,125.29 is: 23,634.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,552.75 : 42,166.17 = 17,125.29 : x
  2. Step 2: Convert to fraction form
    30,552.75/42,166.17 = 17,125.29/x
  3. Step 3: Cross multiply
    30,552.75x = 42,166.17 × 17,125.29
  4. Step 4: Simplify right side
    30,552.75x = 722,107,889.44
  5. Step 5: Solve for x
    x = 722,107,889.44/30,552.75
  6. Step 6: Final answer
    x = 23,634.79

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Double scale
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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.