Home / 39,003.71-53,824.85-21,098.34

Finding the Fourth Proportional to 39,003.71, 53,824.85 and 21,098.34

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Solution

The fourth proportional to 39,003.71, 53,824.85 and 21,098.34 is: 29,115.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,003.71 : 53,824.85 = 21,098.34 : x
  2. Step 2: Convert to fraction form
    39,003.71/53,824.85 = 21,098.34/x
  3. Step 3: Cross multiply
    39,003.71x = 53,824.85 × 21,098.34
  4. Step 4: Simplify right side
    39,003.71x = 1,135,614,716.62
  5. Step 5: Solve for x
    x = 1,135,614,716.62/39,003.71
  6. Step 6: Final answer
    x = 29,115.56

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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.