Home / 66,211.91-91,374.20-35,999.27

Finding the Fourth Proportional to 66,211.91, 91,374.20 and 35,999.27

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Solution

The fourth proportional to 66,211.91, 91,374.20 and 35,999.27 is: 49,679.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,211.91 : 91,374.20 = 35,999.27 : x
  2. Step 2: Convert to fraction form
    66,211.91/91,374.20 = 35,999.27/x
  3. Step 3: Cross multiply
    66,211.91x = 91,374.20 × 35,999.27
  4. Step 4: Simplify right side
    66,211.91x = 3,289,404,496.83
  5. Step 5: Solve for x
    x = 3,289,404,496.83/66,211.91
  6. Step 6: Final answer
    x = 49,679.95

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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.