Home / 39,148.33-54,024.84-21,243.33

Finding the Fourth Proportional to 39,148.33, 54,024.84 and 21,243.33

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Solution

The fourth proportional to 39,148.33, 54,024.84 and 21,243.33 is: 29,315.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,148.33 : 54,024.84 = 21,243.33 : x
  2. Step 2: Convert to fraction form
    39,148.33/54,024.84 = 21,243.33/x
  3. Step 3: Cross multiply
    39,148.33x = 54,024.84 × 21,243.33
  4. Step 4: Simplify right side
    39,148.33x = 1,147,667,504.32
  5. Step 5: Solve for x
    x = 1,147,667,504.32/39,148.33
  6. Step 6: Final answer
    x = 29,315.88

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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.