Home / 66,147.30-91,284.92-35,932.62

Finding the Fourth Proportional to 66,147.30, 91,284.92 and 35,932.62

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Solution

The fourth proportional to 66,147.30, 91,284.92 and 35,932.62 is: 49,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,147.30 : 91,284.92 = 35,932.62 : x
  2. Step 2: Convert to fraction form
    66,147.30/91,284.92 = 35,932.62/x
  3. Step 3: Cross multiply
    66,147.30x = 91,284.92 × 35,932.62
  4. Step 4: Simplify right side
    66,147.30x = 3,280,106,342.09
  5. Step 5: Solve for x
    x = 3,280,106,342.09/66,147.30
  6. Step 6: Final answer
    x = 49,587.91

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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.