Home / 39,763.31-54,831.74-29,675.57

Finding the Fourth Proportional to 39,763.31, 54,831.74 and 29,675.57

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Solution

The fourth proportional to 39,763.31, 54,831.74 and 29,675.57 is: 40,921.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,763.31 : 54,831.74 = 29,675.57 : x
  2. Step 2: Convert to fraction form
    39,763.31/54,831.74 = 29,675.57/x
  3. Step 3: Cross multiply
    39,763.31x = 54,831.74 × 29,675.57
  4. Step 4: Simplify right side
    39,763.31x = 1,627,162,716.06
  5. Step 5: Solve for x
    x = 1,627,162,716.06/39,763.31
  6. Step 6: Final answer
    x = 40,921.21

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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.