Home / 66,110.28-91,231.67-35,895

Finding the Fourth Proportional to 66,110.28, 91,231.67 and 35,895

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Solution

The fourth proportional to 66,110.28, 91,231.67 and 35,895 is: 49,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,110.28 : 91,231.67 = 35,895 : x
  2. Step 2: Convert to fraction form
    66,110.28/91,231.67 = 35,895/x
  3. Step 3: Cross multiply
    66,110.28x = 91,231.67 × 35,895
  4. Step 4: Simplify right side
    66,110.28x = 3,274,760,615.18
  5. Step 5: Solve for x
    x = 3,274,760,615.18/66,110.28
  6. Step 6: Final answer
    x = 49,534.82

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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.