Home / 66,596.28-91,905.67-38,302

Finding the Fourth Proportional to 66,596.28, 91,905.67 and 38,302

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Solution

The fourth proportional to 66,596.28, 91,905.67 and 38,302 is: 52,858.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,596.28 : 91,905.67 = 38,302 : x
  2. Step 2: Convert to fraction form
    66,596.28/91,905.67 = 38,302/x
  3. Step 3: Cross multiply
    66,596.28x = 91,905.67 × 38,302
  4. Step 4: Simplify right side
    66,596.28x = 3,520,170,972.34
  5. Step 5: Solve for x
    x = 3,520,170,972.34/66,596.28
  6. Step 6: Final answer
    x = 52,858.37

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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.