Home / 39,399.25-54,368.75-22,401.09

Finding the Fourth Proportional to 39,399.25, 54,368.75 and 22,401.09

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Solution

The fourth proportional to 39,399.25, 54,368.75 and 22,401.09 is: 30,912.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,399.25 : 54,368.75 = 22,401.09 : x
  2. Step 2: Convert to fraction form
    39,399.25/54,368.75 = 22,401.09/x
  3. Step 3: Cross multiply
    39,399.25x = 54,368.75 × 22,401.09
  4. Step 4: Simplify right side
    39,399.25x = 1,217,919,261.94
  5. Step 5: Solve for x
    x = 1,217,919,261.94/39,399.25
  6. Step 6: Final answer
    x = 30,912.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.