Home / 39,661.88-54,735.57-22,900.28

Finding the Fourth Proportional to 39,661.88, 54,735.57 and 22,900.28

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Solution

The fourth proportional to 39,661.88, 54,735.57 and 22,900.28 is: 31,603.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,661.88 : 54,735.57 = 22,900.28 : x
  2. Step 2: Convert to fraction form
    39,661.88/54,735.57 = 22,900.28/x
  3. Step 3: Cross multiply
    39,661.88x = 54,735.57 × 22,900.28
  4. Step 4: Simplify right side
    39,661.88x = 1,253,459,605.28
  5. Step 5: Solve for x
    x = 1,253,459,605.28/39,661.88
  6. Step 6: Final answer
    x = 31,603.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.