Home / 66,148.29-91,286.31-35,933.61

Finding the Fourth Proportional to 66,148.29, 91,286.31 and 35,933.61

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Solution

The fourth proportional to 66,148.29, 91,286.31 and 35,933.61 is: 49,589.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,148.29 : 91,286.31 = 35,933.61 : x
  2. Step 2: Convert to fraction form
    66,148.29/91,286.31 = 35,933.61/x
  3. Step 3: Cross multiply
    66,148.29x = 91,286.31 × 35,933.61
  4. Step 4: Simplify right side
    66,148.29x = 3,280,246,661.88
  5. Step 5: Solve for x
    x = 3,280,246,661.88/66,148.29
  6. Step 6: Final answer
    x = 49,589.29

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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.