Home / 66,731.85-92,089.95-36,517.18

Finding the Fourth Proportional to 66,731.85, 92,089.95 and 36,517.18

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Solution

The fourth proportional to 66,731.85, 92,089.95 and 36,517.18 is: 50,393.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,731.85 : 92,089.95 = 36,517.18 : x
  2. Step 2: Convert to fraction form
    66,731.85/92,089.95 = 36,517.18/x
  3. Step 3: Cross multiply
    66,731.85x = 92,089.95 × 36,517.18
  4. Step 4: Simplify right side
    66,731.85x = 3,362,865,280.34
  5. Step 5: Solve for x
    x = 3,362,865,280.34/66,731.85
  6. Step 6: Final answer
    x = 50,393.71

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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.