Home / 66,328.53-91,535.61-36,115.02

Finding the Fourth Proportional to 66,328.53, 91,535.61 and 36,115.02

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Solution

The fourth proportional to 66,328.53, 91,535.61 and 36,115.02 is: 49,839.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,328.53 : 91,535.61 = 36,115.02 : x
  2. Step 2: Convert to fraction form
    66,328.53/91,535.61 = 36,115.02/x
  3. Step 3: Cross multiply
    66,328.53x = 91,535.61 × 36,115.02
  4. Step 4: Simplify right side
    66,328.53x = 3,305,810,419.72
  5. Step 5: Solve for x
    x = 3,305,810,419.72/66,328.53
  6. Step 6: Final answer
    x = 49,839.95

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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.