Home / 38,568.22-57,857.00-13,603.16

Finding the Fourth Proportional to 38,568.22, 57,857.00 and 13,603.16

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Solution

The fourth proportional to 38,568.22, 57,857.00 and 13,603.16 is: 20,406.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,568.22 : 57,857.00 = 13,603.16 : x
  2. Step 2: Convert to fraction form
    38,568.22/57,857.00 = 13,603.16/x
  3. Step 3: Cross multiply
    38,568.22x = 57,857.00 × 13,603.16
  4. Step 4: Simplify right side
    38,568.22x = 787,037,855.82
  5. Step 5: Solve for x
    x = 787,037,855.82/38,568.22
  6. Step 6: Final answer
    x = 20,406.38

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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.