Home / 66,422.09-91,659.74-36,206.75

Finding the Fourth Proportional to 66,422.09, 91,659.74 and 36,206.75

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Solution

The fourth proportional to 66,422.09, 91,659.74 and 36,206.75 is: 49,963.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,422.09 : 91,659.74 = 36,206.75 : x
  2. Step 2: Convert to fraction form
    66,422.09/91,659.74 = 36,206.75/x
  3. Step 3: Cross multiply
    66,422.09x = 91,659.74 × 36,206.75
  4. Step 4: Simplify right side
    66,422.09x = 3,318,701,339.36
  5. Step 5: Solve for x
    x = 3,318,701,339.36/66,422.09
  6. Step 6: Final answer
    x = 49,963.82

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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.