Home / 33,126.90-45,716.25-18,982.48

Finding the Fourth Proportional to 33,126.90, 45,716.25 and 18,982.48

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Solution

The fourth proportional to 33,126.90, 45,716.25 and 18,982.48 is: 26,196.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,126.90 : 45,716.25 = 18,982.48 : x
  2. Step 2: Convert to fraction form
    33,126.90/45,716.25 = 18,982.48/x
  3. Step 3: Cross multiply
    33,126.90x = 45,716.25 × 18,982.48
  4. Step 4: Simplify right side
    33,126.90x = 867,807,801.30
  5. Step 5: Solve for x
    x = 867,807,801.30/33,126.90
  6. Step 6: Final answer
    x = 26,196.47

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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.