Home / 30,982.05-42,755.76-17,552.97

Finding the Fourth Proportional to 30,982.05, 42,755.76 and 17,552.97

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Solution

The fourth proportional to 30,982.05, 42,755.76 and 17,552.97 is: 24,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,982.05 : 42,755.76 = 17,552.97 : x
  2. Step 2: Convert to fraction form
    30,982.05/42,755.76 = 17,552.97/x
  3. Step 3: Cross multiply
    30,982.05x = 42,755.76 × 17,552.97
  4. Step 4: Simplify right side
    30,982.05x = 750,490,572.61
  5. Step 5: Solve for x
    x = 750,490,572.61/30,982.05
  6. Step 6: Final answer
    x = 24,223.40

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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.