Home / 66,227.09-91,394.28-37,932.75

Finding the Fourth Proportional to 66,227.09, 91,394.28 and 37,932.75

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Solution

The fourth proportional to 66,227.09, 91,394.28 and 37,932.75 is: 52,347.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,227.09 : 91,394.28 = 37,932.75 : x
  2. Step 2: Convert to fraction form
    66,227.09/91,394.28 = 37,932.75/x
  3. Step 3: Cross multiply
    66,227.09x = 91,394.28 × 37,932.75
  4. Step 4: Simplify right side
    66,227.09x = 3,466,836,374.67
  5. Step 5: Solve for x
    x = 3,466,836,374.67/66,227.09
  6. Step 6: Final answer
    x = 52,347.71

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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.