Home / 55,845.68-83,760.21-18,404.24

Finding the Fourth Proportional to 55,845.68, 83,760.21 and 18,404.24

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Solution

The fourth proportional to 55,845.68, 83,760.21 and 18,404.24 is: 27,603.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,845.68 : 83,760.21 = 18,404.24 : x
  2. Step 2: Convert to fraction form
    55,845.68/83,760.21 = 18,404.24/x
  3. Step 3: Cross multiply
    55,845.68x = 83,760.21 × 18,404.24
  4. Step 4: Simplify right side
    55,845.68x = 1,541,542,588.49
  5. Step 5: Solve for x
    x = 1,541,542,588.49/55,845.68
  6. Step 6: Final answer
    x = 27,603.62

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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.