Home / 36,735.12-55,111.32-13,361.76

Finding the Fourth Proportional to 36,735.12, 55,111.32 and 13,361.76

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Solution

The fourth proportional to 36,735.12, 55,111.32 and 13,361.76 is: 20,045.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,735.12 : 55,111.32 = 13,361.76 : x
  2. Step 2: Convert to fraction form
    36,735.12/55,111.32 = 13,361.76/x
  3. Step 3: Cross multiply
    36,735.12x = 55,111.32 × 13,361.76
  4. Step 4: Simplify right side
    36,735.12x = 736,384,231.12
  5. Step 5: Solve for x
    x = 736,384,231.12/36,735.12
  6. Step 6: Final answer
    x = 20,045.78

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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.