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Finding the Fourth Proportional to 43,887.38, 65,831.07 and 24,155.78

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Solution

The fourth proportional to 43,887.38, 65,831.07 and 24,155.78 is: 36,233.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,887.38 : 65,831.07 = 24,155.78 : x
  2. Step 2: Convert to fraction form
    43,887.38/65,831.07 = 24,155.78/x
  3. Step 3: Cross multiply
    43,887.38x = 65,831.07 × 24,155.78
  4. Step 4: Simplify right side
    43,887.38x = 1,590,200,844.08
  5. Step 5: Solve for x
    x = 1,590,200,844.08/43,887.38
  6. Step 6: Final answer
    x = 36,233.67

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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.