Home / 43,831.85-65,728.33-27,191.21

Finding the Fourth Proportional to 43,831.85, 65,728.33 and 27,191.21

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Solution

The fourth proportional to 43,831.85, 65,728.33 and 27,191.21 is: 40,774.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,831.85 : 65,728.33 = 27,191.21 : x
  2. Step 2: Convert to fraction form
    43,831.85/65,728.33 = 27,191.21/x
  3. Step 3: Cross multiply
    43,831.85x = 65,728.33 × 27,191.21
  4. Step 4: Simplify right side
    43,831.85x = 1,787,232,427.36
  5. Step 5: Solve for x
    x = 1,787,232,427.36/43,831.85
  6. Step 6: Final answer
    x = 40,774.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.