Home / 66,933.20-92,367.97-36,718.79

Finding the Fourth Proportional to 66,933.20, 92,367.97 and 36,718.79

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Solution

The fourth proportional to 66,933.20, 92,367.97 and 36,718.79 is: 50,672.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,933.20 : 92,367.97 = 36,718.79 : x
  2. Step 2: Convert to fraction form
    66,933.20/92,367.97 = 36,718.79/x
  3. Step 3: Cross multiply
    66,933.20x = 92,367.97 × 36,718.79
  4. Step 4: Simplify right side
    66,933.20x = 3,391,639,539.52
  5. Step 5: Solve for x
    x = 3,391,639,539.52/66,933.20
  6. Step 6: Final answer
    x = 50,672.00

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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.