Home / 39,932.90-55,072.40-31,972.22

Finding the Fourth Proportional to 39,932.90, 55,072.40 and 31,972.22

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Solution

The fourth proportional to 39,932.90, 55,072.40 and 31,972.22 is: 44,093.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,932.90 : 55,072.40 = 31,972.22 : x
  2. Step 2: Convert to fraction form
    39,932.90/55,072.40 = 31,972.22/x
  3. Step 3: Cross multiply
    39,932.90x = 55,072.40 × 31,972.22
  4. Step 4: Simplify right side
    39,932.90x = 1,760,786,888.73
  5. Step 5: Solve for x
    x = 1,760,786,888.73/39,932.90
  6. Step 6: Final answer
    x = 44,093.64

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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.