Home / 43,524.75-65,287.85-18,900.75

Finding the Fourth Proportional to 43,524.75, 65,287.85 and 18,900.75

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Solution

The fourth proportional to 43,524.75, 65,287.85 and 18,900.75 is: 28,351.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,524.75 : 65,287.85 = 18,900.75 : x
  2. Step 2: Convert to fraction form
    43,524.75/65,287.85 = 18,900.75/x
  3. Step 3: Cross multiply
    43,524.75x = 65,287.85 × 18,900.75
  4. Step 4: Simplify right side
    43,524.75x = 1,233,989,236.38
  5. Step 5: Solve for x
    x = 1,233,989,236.38/43,524.75
  6. Step 6: Final answer
    x = 28,351.44

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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.