Home / 30,608.96-42,240.33-17,180.23

Finding the Fourth Proportional to 30,608.96, 42,240.33 and 17,180.23

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Solution

The fourth proportional to 30,608.96, 42,240.33 and 17,180.23 is: 23,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,608.96 : 42,240.33 = 17,180.23 : x
  2. Step 2: Convert to fraction form
    30,608.96/42,240.33 = 17,180.23/x
  3. Step 3: Cross multiply
    30,608.96x = 42,240.33 × 17,180.23
  4. Step 4: Simplify right side
    30,608.96x = 725,698,694.70
  5. Step 5: Solve for x
    x = 725,698,694.70/30,608.96
  6. Step 6: Final answer
    x = 23,708.70

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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.