Home / 66,986.46-92,440.95-36,772.29

Finding the Fourth Proportional to 66,986.46, 92,440.95 and 36,772.29

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Solution

The fourth proportional to 66,986.46, 92,440.95 and 36,772.29 is: 50,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,986.46 : 92,440.95 = 36,772.29 : x
  2. Step 2: Convert to fraction form
    66,986.46/92,440.95 = 36,772.29/x
  3. Step 3: Cross multiply
    66,986.46x = 92,440.95 × 36,772.29
  4. Step 4: Simplify right side
    66,986.46x = 3,399,265,421.28
  5. Step 5: Solve for x
    x = 3,399,265,421.28/66,986.46
  6. Step 6: Final answer
    x = 50,745.56

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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.