Home / 33,249.51-45,877.64-21,154.79

Finding the Fourth Proportional to 33,249.51, 45,877.64 and 21,154.79

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Solution

The fourth proportional to 33,249.51, 45,877.64 and 21,154.79 is: 29,189.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,249.51 : 45,877.64 = 21,154.79 : x
  2. Step 2: Convert to fraction form
    33,249.51/45,877.64 = 21,154.79/x
  3. Step 3: Cross multiply
    33,249.51x = 45,877.64 × 21,154.79
  4. Step 4: Simplify right side
    33,249.51x = 970,531,839.90
  5. Step 5: Solve for x
    x = 970,531,839.90/33,249.51
  6. Step 6: Final answer
    x = 29,189.36

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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.