Home / 31,920.33-44,059.09-19,177.56

Finding the Fourth Proportional to 31,920.33, 44,059.09 and 19,177.56

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Solution

The fourth proportional to 31,920.33, 44,059.09 and 19,177.56 is: 26,470.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,920.33 : 44,059.09 = 19,177.56 : x
  2. Step 2: Convert to fraction form
    31,920.33/44,059.09 = 19,177.56/x
  3. Step 3: Cross multiply
    31,920.33x = 44,059.09 × 19,177.56
  4. Step 4: Simplify right side
    31,920.33x = 844,945,830.03
  5. Step 5: Solve for x
    x = 844,945,830.03/31,920.33
  6. Step 6: Final answer
    x = 26,470.46

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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.