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Finding the Fourth Proportional to 67,850.55, 93,630.20 and 37,633.50

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Solution

The fourth proportional to 67,850.55, 93,630.20 and 37,633.50 is: 51,932.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,850.55 : 93,630.20 = 37,633.50 : x
  2. Step 2: Convert to fraction form
    67,850.55/93,630.20 = 37,633.50/x
  3. Step 3: Cross multiply
    67,850.55x = 93,630.20 × 37,633.50
  4. Step 4: Simplify right side
    67,850.55x = 3,523,631,943.53
  5. Step 5: Solve for x
    x = 3,523,631,943.53/67,850.55
  6. Step 6: Final answer
    x = 51,932.25

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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.