Home / 43,831.42-65,733.15-14,242.12

Finding the Fourth Proportional to 43,831.42, 65,733.15 and 14,242.12

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Solution

The fourth proportional to 43,831.42, 65,733.15 and 14,242.12 is: 21,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,831.42 : 65,733.15 = 14,242.12 : x
  2. Step 2: Convert to fraction form
    43,831.42/65,733.15 = 14,242.12/x
  3. Step 3: Cross multiply
    43,831.42x = 65,733.15 × 14,242.12
  4. Step 4: Simplify right side
    43,831.42x = 936,179,299.35
  5. Step 5: Solve for x
    x = 936,179,299.35/43,831.42
  6. Step 6: Final answer
    x = 21,358.64

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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.