Home / 39,919.24-59,869.68-20,202.04

Finding the Fourth Proportional to 39,919.24, 59,869.68 and 20,202.04

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Solution

The fourth proportional to 39,919.24, 59,869.68 and 20,202.04 is: 30,298.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,919.24 : 59,869.68 = 20,202.04 : x
  2. Step 2: Convert to fraction form
    39,919.24/59,869.68 = 20,202.04/x
  3. Step 3: Cross multiply
    39,919.24x = 59,869.68 × 20,202.04
  4. Step 4: Simplify right side
    39,919.24x = 1,209,489,670.15
  5. Step 5: Solve for x
    x = 1,209,489,670.15/39,919.24
  6. Step 6: Final answer
    x = 30,298.41

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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.