Home / 66,557.82-91,853.52-36,345.96

Finding the Fourth Proportional to 66,557.82, 91,853.52 and 36,345.96

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Solution

The fourth proportional to 66,557.82, 91,853.52 and 36,345.96 is: 50,159.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,557.82 : 91,853.52 = 36,345.96 : x
  2. Step 2: Convert to fraction form
    66,557.82/91,853.52 = 36,345.96/x
  3. Step 3: Cross multiply
    66,557.82x = 91,853.52 × 36,345.96
  4. Step 4: Simplify right side
    66,557.82x = 3,338,504,363.78
  5. Step 5: Solve for x
    x = 3,338,504,363.78/66,557.82
  6. Step 6: Final answer
    x = 50,159.46

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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.