Home / 68,622.76-102,923.61-18,706.87

Finding the Fourth Proportional to 68,622.76, 102,923.61 and 18,706.87

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Solution

The fourth proportional to 68,622.76, 102,923.61 and 18,706.87 is: 28,057.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,622.76 : 102,923.61 = 18,706.87 : x
  2. Step 2: Convert to fraction form
    68,622.76/102,923.61 = 18,706.87/x
  3. Step 3: Cross multiply
    68,622.76x = 102,923.61 × 18,706.87
  4. Step 4: Simplify right side
    68,622.76x = 1,925,378,592.20
  5. Step 5: Solve for x
    x = 1,925,378,592.20/68,622.76
  6. Step 6: Final answer
    x = 28,057.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.