Home / 39,834.05-59,788.06-20,126.48

Finding the Fourth Proportional to 39,834.05, 59,788.06 and 20,126.48

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Solution

The fourth proportional to 39,834.05, 59,788.06 and 20,126.48 is: 30,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,834.05 : 59,788.06 = 20,126.48 : x
  2. Step 2: Convert to fraction form
    39,834.05/59,788.06 = 20,126.48/x
  3. Step 3: Cross multiply
    39,834.05x = 59,788.06 × 20,126.48
  4. Step 4: Simplify right side
    39,834.05x = 1,203,322,844.57
  5. Step 5: Solve for x
    x = 1,203,322,844.57/39,834.05
  6. Step 6: Final answer
    x = 30,208.40

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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.