Home / 33,218.10-45,839.59-18,110.39

Finding the Fourth Proportional to 33,218.10, 45,839.59 and 18,110.39

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Solution

The fourth proportional to 33,218.10, 45,839.59 and 18,110.39 is: 24,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,218.10 : 45,839.59 = 18,110.39 : x
  2. Step 2: Convert to fraction form
    33,218.10/45,839.59 = 18,110.39/x
  3. Step 3: Cross multiply
    33,218.10x = 45,839.59 × 18,110.39
  4. Step 4: Simplify right side
    33,218.10x = 830,172,577.87
  5. Step 5: Solve for x
    x = 830,172,577.87/33,218.10
  6. Step 6: Final answer
    x = 24,991.57

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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.