Home / 39,097.35-53,954.42-21,192.30

Finding the Fourth Proportional to 39,097.35, 53,954.42 and 21,192.30

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Solution

The fourth proportional to 39,097.35, 53,954.42 and 21,192.30 is: 29,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,097.35 : 53,954.42 = 21,192.30 : x
  2. Step 2: Convert to fraction form
    39,097.35/53,954.42 = 21,192.30/x
  3. Step 3: Cross multiply
    39,097.35x = 53,954.42 × 21,192.30
  4. Step 4: Simplify right side
    39,097.35x = 1,143,418,149.00
  5. Step 5: Solve for x
    x = 1,143,418,149.00/39,097.35
  6. Step 6: Final answer
    x = 29,245.41

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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.