Home / 30,101.88-41,540.13-16,489.82

Finding the Fourth Proportional to 30,101.88, 41,540.13 and 16,489.82

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Solution

The fourth proportional to 30,101.88, 41,540.13 and 16,489.82 is: 22,755.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,101.88 : 41,540.13 = 16,489.82 : x
  2. Step 2: Convert to fraction form
    30,101.88/41,540.13 = 16,489.82/x
  3. Step 3: Cross multiply
    30,101.88x = 41,540.13 × 16,489.82
  4. Step 4: Simplify right side
    30,101.88x = 684,989,058.78
  5. Step 5: Solve for x
    x = 684,989,058.78/30,101.88
  6. Step 6: Final answer
    x = 22,755.69

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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.