Home / 71,226.78-106,846.24-18,636.18

Finding the Fourth Proportional to 71,226.78, 106,846.24 and 18,636.18

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Solution

The fourth proportional to 71,226.78, 106,846.24 and 18,636.18 is: 27,955.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,226.78 : 106,846.24 = 18,636.18 : x
  2. Step 2: Convert to fraction form
    71,226.78/106,846.24 = 18,636.18/x
  3. Step 3: Cross multiply
    71,226.78x = 106,846.24 × 18,636.18
  4. Step 4: Simplify right side
    71,226.78x = 1,991,205,760.96
  5. Step 5: Solve for x
    x = 1,991,205,760.96/71,226.78
  6. Step 6: Final answer
    x = 27,955.86

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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.