Home / 39,102.17-53,960.94-21,197.03

Finding the Fourth Proportional to 39,102.17, 53,960.94 and 21,197.03

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Solution

The fourth proportional to 39,102.17, 53,960.94 and 21,197.03 is: 29,251.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,102.17 : 53,960.94 = 21,197.03 : x
  2. Step 2: Convert to fraction form
    39,102.17/53,960.94 = 21,197.03/x
  3. Step 3: Cross multiply
    39,102.17x = 53,960.94 × 21,197.03
  4. Step 4: Simplify right side
    39,102.17x = 1,143,811,394.20
  5. Step 5: Solve for x
    x = 1,143,811,394.20/39,102.17
  6. Step 6: Final answer
    x = 29,251.87

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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.