Home / 66,949.20-92,390.09-36,735.80

Finding the Fourth Proportional to 66,949.20, 92,390.09 and 36,735.80

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Solution

The fourth proportional to 66,949.20, 92,390.09 and 36,735.80 is: 50,695.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,949.20 : 92,390.09 = 36,735.80 : x
  2. Step 2: Convert to fraction form
    66,949.20/92,390.09 = 36,735.80/x
  3. Step 3: Cross multiply
    66,949.20x = 92,390.09 × 36,735.80
  4. Step 4: Simplify right side
    66,949.20x = 3,394,023,222.59
  5. Step 5: Solve for x
    x = 3,394,023,222.59/66,949.20
  6. Step 6: Final answer
    x = 50,695.50

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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.