Home / 39,629.12-59,480.66-20,923

Finding the Fourth Proportional to 39,629.12, 59,480.66 and 20,923

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Solution

The fourth proportional to 39,629.12, 59,480.66 and 20,923 is: 31,404.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,629.12 : 59,480.66 = 20,923 : x
  2. Step 2: Convert to fraction form
    39,629.12/59,480.66 = 20,923/x
  3. Step 3: Cross multiply
    39,629.12x = 59,480.66 × 20,923
  4. Step 4: Simplify right side
    39,629.12x = 1,244,513,849.18
  5. Step 5: Solve for x
    x = 1,244,513,849.18/39,629.12
  6. Step 6: Final answer
    x = 31,404.02

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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.