Home / 57,603.18-86,396.57-18,155.17

Finding the Fourth Proportional to 57,603.18, 86,396.57 and 18,155.17

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Solution

The fourth proportional to 57,603.18, 86,396.57 and 18,155.17 is: 27,230.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,603.18 : 86,396.57 = 18,155.17 : x
  2. Step 2: Convert to fraction form
    57,603.18/86,396.57 = 18,155.17/x
  3. Step 3: Cross multiply
    57,603.18x = 86,396.57 × 18,155.17
  4. Step 4: Simplify right side
    57,603.18x = 1,568,544,461.15
  5. Step 5: Solve for x
    x = 1,568,544,461.15/57,603.18
  6. Step 6: Final answer
    x = 27,230.17

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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.