Home / 39,837.33-54,975.51-21,932.25

Finding the Fourth Proportional to 39,837.33, 54,975.51 and 21,932.25

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Solution

The fourth proportional to 39,837.33, 54,975.51 and 21,932.25 is: 30,266.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,837.33 : 54,975.51 = 21,932.25 : x
  2. Step 2: Convert to fraction form
    39,837.33/54,975.51 = 21,932.25/x
  3. Step 3: Cross multiply
    39,837.33x = 54,975.51 × 21,932.25
  4. Step 4: Simplify right side
    39,837.33x = 1,205,736,629.20
  5. Step 5: Solve for x
    x = 1,205,736,629.20/39,837.33
  6. Step 6: Final answer
    x = 30,266.50

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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.