Home / 30,902.43-42,644.97-16,755.24

Finding the Fourth Proportional to 30,902.43, 42,644.97 and 16,755.24

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Solution

The fourth proportional to 30,902.43, 42,644.97 and 16,755.24 is: 23,122.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,902.43 : 42,644.97 = 16,755.24 : x
  2. Step 2: Convert to fraction form
    30,902.43/42,644.97 = 16,755.24/x
  3. Step 3: Cross multiply
    30,902.43x = 42,644.97 × 16,755.24
  4. Step 4: Simplify right side
    30,902.43x = 714,526,707.14
  5. Step 5: Solve for x
    x = 714,526,707.14/30,902.43
  6. Step 6: Final answer
    x = 23,122.02

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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.