Home / 33,167.12-45,768.30-18,827.24

Finding the Fourth Proportional to 33,167.12, 45,768.30 and 18,827.24

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Solution

The fourth proportional to 33,167.12, 45,768.30 and 18,827.24 is: 25,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,167.12 : 45,768.30 = 18,827.24 : x
  2. Step 2: Convert to fraction form
    33,167.12/45,768.30 = 18,827.24/x
  3. Step 3: Cross multiply
    33,167.12x = 45,768.30 × 18,827.24
  4. Step 4: Simplify right side
    33,167.12x = 861,690,768.49
  5. Step 5: Solve for x
    x = 861,690,768.49/33,167.12
  6. Step 6: Final answer
    x = 25,980.27

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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.