Home / 36,558.75-54,840.87-20,757.68

Finding the Fourth Proportional to 36,558.75, 54,840.87 and 20,757.68

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Solution

The fourth proportional to 36,558.75, 54,840.87 and 20,757.68 is: 31,138.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,558.75 : 54,840.87 = 20,757.68 : x
  2. Step 2: Convert to fraction form
    36,558.75/54,840.87 = 20,757.68/x
  3. Step 3: Cross multiply
    36,558.75x = 54,840.87 × 20,757.68
  4. Step 4: Simplify right side
    36,558.75x = 1,138,369,230.38
  5. Step 5: Solve for x
    x = 1,138,369,230.38/36,558.75
  6. Step 6: Final answer
    x = 31,138.08

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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.