Home / 33,158.43-45,758.15-18,051.21

Finding the Fourth Proportional to 33,158.43, 45,758.15 and 18,051.21

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Solution

The fourth proportional to 33,158.43, 45,758.15 and 18,051.21 is: 24,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,158.43 : 45,758.15 = 18,051.21 : x
  2. Step 2: Convert to fraction form
    33,158.43/45,758.15 = 18,051.21/x
  3. Step 3: Cross multiply
    33,158.43x = 45,758.15 × 18,051.21
  4. Step 4: Simplify right side
    33,158.43x = 825,989,884.61
  5. Step 5: Solve for x
    x = 825,989,884.61/33,158.43
  6. Step 6: Final answer
    x = 24,910.40

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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.