Home / 33,387.51-50,046.65-20,878.82

Finding the Fourth Proportional to 33,387.51, 50,046.65 and 20,878.82

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Solution

The fourth proportional to 33,387.51, 50,046.65 and 20,878.82 is: 31,296.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,387.51 : 50,046.65 = 20,878.82 : x
  2. Step 2: Convert to fraction form
    33,387.51/50,046.65 = 20,878.82/x
  3. Step 3: Cross multiply
    33,387.51x = 50,046.65 × 20,878.82
  4. Step 4: Simplify right side
    33,387.51x = 1,044,914,642.33
  5. Step 5: Solve for x
    x = 1,044,914,642.33/33,387.51
  6. Step 6: Final answer
    x = 31,296.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.