Home / 33,170.59-45,774.97-18,830.30

Finding the Fourth Proportional to 33,170.59, 45,774.97 and 18,830.30

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Solution

The fourth proportional to 33,170.59, 45,774.97 and 18,830.30 is: 25,985.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,170.59 : 45,774.97 = 18,830.30 : x
  2. Step 2: Convert to fraction form
    33,170.59/45,774.97 = 18,830.30/x
  3. Step 3: Cross multiply
    33,170.59x = 45,774.97 × 18,830.30
  4. Step 4: Simplify right side
    33,170.59x = 861,956,308.27
  5. Step 5: Solve for x
    x = 861,956,308.27/33,170.59
  6. Step 6: Final answer
    x = 25,985.56

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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.