Home / 68,023.24-102,035.10-20,638.73

Finding the Fourth Proportional to 68,023.24, 102,035.10 and 20,638.73

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Solution

The fourth proportional to 68,023.24, 102,035.10 and 20,638.73 is: 30,958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,023.24 : 102,035.10 = 20,638.73 : x
  2. Step 2: Convert to fraction form
    68,023.24/102,035.10 = 20,638.73/x
  3. Step 3: Cross multiply
    68,023.24x = 102,035.10 × 20,638.73
  4. Step 4: Simplify right side
    68,023.24x = 2,105,875,134.51
  5. Step 5: Solve for x
    x = 2,105,875,134.51/68,023.24
  6. Step 6: Final answer
    x = 30,958.17

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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.