Home / 66,517.32-91,794.66-39,675.08

Finding the Fourth Proportional to 66,517.32, 91,794.66 and 39,675.08

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Solution

The fourth proportional to 66,517.32, 91,794.66 and 39,675.08 is: 54,752.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,517.32 : 91,794.66 = 39,675.08 : x
  2. Step 2: Convert to fraction form
    66,517.32/91,794.66 = 39,675.08/x
  3. Step 3: Cross multiply
    66,517.32x = 91,794.66 × 39,675.08
  4. Step 4: Simplify right side
    66,517.32x = 3,641,960,479.07
  5. Step 5: Solve for x
    x = 3,641,960,479.07/66,517.32
  6. Step 6: Final answer
    x = 54,752.06

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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.