Home / 33,170.13-45,774.78-18,266.13

Finding the Fourth Proportional to 33,170.13, 45,774.78 and 18,266.13

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Solution

The fourth proportional to 33,170.13, 45,774.78 and 18,266.13 is: 25,207.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,170.13 : 45,774.78 = 18,266.13 : x
  2. Step 2: Convert to fraction form
    33,170.13/45,774.78 = 18,266.13/x
  3. Step 3: Cross multiply
    33,170.13x = 45,774.78 × 18,266.13
  4. Step 4: Simplify right side
    33,170.13x = 836,128,082.20
  5. Step 5: Solve for x
    x = 836,128,082.20/33,170.13
  6. Step 6: Final answer
    x = 25,207.26

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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.