Home / 39,963.22-55,145.31-22,057.06

Finding the Fourth Proportional to 39,963.22, 55,145.31 and 22,057.06

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Solution

The fourth proportional to 39,963.22, 55,145.31 and 22,057.06 is: 30,436.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,963.22 : 55,145.31 = 22,057.06 : x
  2. Step 2: Convert to fraction form
    39,963.22/55,145.31 = 22,057.06/x
  3. Step 3: Cross multiply
    39,963.22x = 55,145.31 × 22,057.06
  4. Step 4: Simplify right side
    39,963.22x = 1,216,343,438.97
  5. Step 5: Solve for x
    x = 1,216,343,438.97/39,963.22
  6. Step 6: Final answer
    x = 30,436.58

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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.