Home / 35,770.82-49,357.96-20,661.08

Finding the Fourth Proportional to 35,770.82, 49,357.96 and 20,661.08

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Solution

The fourth proportional to 35,770.82, 49,357.96 and 20,661.08 is: 28,508.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,770.82 : 49,357.96 = 20,661.08 : x
  2. Step 2: Convert to fraction form
    35,770.82/49,357.96 = 20,661.08/x
  3. Step 3: Cross multiply
    35,770.82x = 49,357.96 × 20,661.08
  4. Step 4: Simplify right side
    35,770.82x = 1,019,788,760.20
  5. Step 5: Solve for x
    x = 1,019,788,760.20/35,770.82
  6. Step 6: Final answer
    x = 28,508.96

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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.