Home / 67,869.24-101,819.03-20,485.14

Finding the Fourth Proportional to 67,869.24, 101,819.03 and 20,485.14

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Solution

The fourth proportional to 67,869.24, 101,819.03 and 20,485.14 is: 30,732.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,869.24 : 101,819.03 = 20,485.14 : x
  2. Step 2: Convert to fraction form
    67,869.24/101,819.03 = 20,485.14/x
  3. Step 3: Cross multiply
    67,869.24x = 101,819.03 × 20,485.14
  4. Step 4: Simplify right side
    67,869.24x = 2,085,776,981.79
  5. Step 5: Solve for x
    x = 2,085,776,981.79/67,869.24
  6. Step 6: Final answer
    x = 30,732.29

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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.