Home / 39,097.45-53,954.54-21,192.45

Finding the Fourth Proportional to 39,097.45, 53,954.54 and 21,192.45

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Solution

The fourth proportional to 39,097.45, 53,954.54 and 21,192.45 is: 29,245.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,097.45 : 53,954.54 = 21,192.45 : x
  2. Step 2: Convert to fraction form
    39,097.45/53,954.54 = 21,192.45/x
  3. Step 3: Cross multiply
    39,097.45x = 53,954.54 × 21,192.45
  4. Step 4: Simplify right side
    39,097.45x = 1,143,428,891.22
  5. Step 5: Solve for x
    x = 1,143,428,891.22/39,097.45
  6. Step 6: Final answer
    x = 29,245.61

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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.