Home / 68,021.67-102,032.34-18,101.76

Finding the Fourth Proportional to 68,021.67, 102,032.34 and 18,101.76

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Solution

The fourth proportional to 68,021.67, 102,032.34 and 18,101.76 is: 27,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,021.67 : 102,032.34 = 18,101.76 : x
  2. Step 2: Convert to fraction form
    68,021.67/102,032.34 = 18,101.76/x
  3. Step 3: Cross multiply
    68,021.67x = 102,032.34 × 18,101.76
  4. Step 4: Simplify right side
    68,021.67x = 1,846,964,930.92
  5. Step 5: Solve for x
    x = 1,846,964,930.92/68,021.67
  6. Step 6: Final answer
    x = 27,152.60

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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.