Home / 66,329.44-91,528.08-39,463.84

Finding the Fourth Proportional to 66,329.44, 91,528.08 and 39,463.84

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Solution

The fourth proportional to 66,329.44, 91,528.08 and 39,463.84 is: 54,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,329.44 : 91,528.08 = 39,463.84 : x
  2. Step 2: Convert to fraction form
    66,329.44/91,528.08 = 39,463.84/x
  3. Step 3: Cross multiply
    66,329.44x = 91,528.08 × 39,463.84
  4. Step 4: Simplify right side
    66,329.44x = 3,612,049,504.63
  5. Step 5: Solve for x
    x = 3,612,049,504.63/66,329.44
  6. Step 6: Final answer
    x = 54,456.20

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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.