Home / 36,313.42-54,442.50-18,772.06

Finding the Fourth Proportional to 36,313.42, 54,442.50 and 18,772.06

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Solution

The fourth proportional to 36,313.42, 54,442.50 and 18,772.06 is: 28,143.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,313.42 : 54,442.50 = 18,772.06 : x
  2. Step 2: Convert to fraction form
    36,313.42/54,442.50 = 18,772.06/x
  3. Step 3: Cross multiply
    36,313.42x = 54,442.50 × 18,772.06
  4. Step 4: Simplify right side
    36,313.42x = 1,021,997,876.55
  5. Step 5: Solve for x
    x = 1,021,997,876.55/36,313.42
  6. Step 6: Final answer
    x = 28,143.81

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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.