Home / 63,161.82-94,742.64-18,788.49

Finding the Fourth Proportional to 63,161.82, 94,742.64 and 18,788.49

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Solution

The fourth proportional to 63,161.82, 94,742.64 and 18,788.49 is: 28,182.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,161.82 : 94,742.64 = 18,788.49 : x
  2. Step 2: Convert to fraction form
    63,161.82/94,742.64 = 18,788.49/x
  3. Step 3: Cross multiply
    63,161.82x = 94,742.64 × 18,788.49
  4. Step 4: Simplify right side
    63,161.82x = 1,780,071,144.21
  5. Step 5: Solve for x
    x = 1,780,071,144.21/63,161.82
  6. Step 6: Final answer
    x = 28,182.71

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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.