Home / 66,321.10-91,524.05-36,107.34

Finding the Fourth Proportional to 66,321.10, 91,524.05 and 36,107.34

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Solution

The fourth proportional to 66,321.10, 91,524.05 and 36,107.34 is: 49,828.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,321.10 : 91,524.05 = 36,107.34 : x
  2. Step 2: Convert to fraction form
    66,321.10/91,524.05 = 36,107.34/x
  3. Step 3: Cross multiply
    66,321.10x = 91,524.05 × 36,107.34
  4. Step 4: Simplify right side
    66,321.10x = 3,304,689,991.53
  5. Step 5: Solve for x
    x = 3,304,689,991.53/66,321.10
  6. Step 6: Final answer
    x = 49,828.64

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1.5x scale

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.