Home / 39,932.31-55,106.28-22,028.07

Finding the Fourth Proportional to 39,932.31, 55,106.28 and 22,028.07

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Solution

The fourth proportional to 39,932.31, 55,106.28 and 22,028.07 is: 30,398.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,932.31 : 55,106.28 = 22,028.07 : x
  2. Step 2: Convert to fraction form
    39,932.31/55,106.28 = 22,028.07/x
  3. Step 3: Cross multiply
    39,932.31x = 55,106.28 × 22,028.07
  4. Step 4: Simplify right side
    39,932.31x = 1,213,884,993.28
  5. Step 5: Solve for x
    x = 1,213,884,993.28/39,932.31
  6. Step 6: Final answer
    x = 30,398.57

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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.