Home / 67,163.10-92,677.80-38,863.50

Finding the Fourth Proportional to 67,163.10, 92,677.80 and 38,863.50

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Solution

The fourth proportional to 67,163.10, 92,677.80 and 38,863.50 is: 53,627.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,163.10 : 92,677.80 = 38,863.50 : x
  2. Step 2: Convert to fraction form
    67,163.10/92,677.80 = 38,863.50/x
  3. Step 3: Cross multiply
    67,163.10x = 92,677.80 × 38,863.50
  4. Step 4: Simplify right side
    67,163.10x = 3,601,783,680.30
  5. Step 5: Solve for x
    x = 3,601,783,680.30/67,163.10
  6. Step 6: Final answer
    x = 53,627.42

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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.