Home / 33,180.38-45,788.93-18,276.38

Finding the Fourth Proportional to 33,180.38, 45,788.93 and 18,276.38

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Solution

The fourth proportional to 33,180.38, 45,788.93 and 18,276.38 is: 25,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,180.38 : 45,788.93 = 18,276.38 : x
  2. Step 2: Convert to fraction form
    33,180.38/45,788.93 = 18,276.38/x
  3. Step 3: Cross multiply
    33,180.38x = 45,788.93 × 18,276.38
  4. Step 4: Simplify right side
    33,180.38x = 836,855,564.15
  5. Step 5: Solve for x
    x = 836,855,564.15/33,180.38
  6. Step 6: Final answer
    x = 25,221.40

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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.