Home / 36,419.68-54,640.86-13,046.32

Finding the Fourth Proportional to 36,419.68, 54,640.86 and 13,046.32

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Solution

The fourth proportional to 36,419.68, 54,640.86 and 13,046.32 is: 19,573.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,419.68 : 54,640.86 = 13,046.32 : x
  2. Step 2: Convert to fraction form
    36,419.68/54,640.86 = 13,046.32/x
  3. Step 3: Cross multiply
    36,419.68x = 54,640.86 × 13,046.32
  4. Step 4: Simplify right side
    36,419.68x = 712,862,144.64
  5. Step 5: Solve for x
    x = 712,862,144.64/36,419.68
  6. Step 6: Final answer
    x = 19,573.54

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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.