Home / 39,212.29-54,101.01-22,213.81

Finding the Fourth Proportional to 39,212.29, 54,101.01 and 22,213.81

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Solution

The fourth proportional to 39,212.29, 54,101.01 and 22,213.81 is: 30,648.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,212.29 : 54,101.01 = 22,213.81 : x
  2. Step 2: Convert to fraction form
    39,212.29/54,101.01 = 22,213.81/x
  3. Step 3: Cross multiply
    39,212.29x = 54,101.01 × 22,213.81
  4. Step 4: Simplify right side
    39,212.29x = 1,201,789,556.95
  5. Step 5: Solve for x
    x = 1,201,789,556.95/39,212.29
  6. Step 6: Final answer
    x = 30,648.29

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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.