Home / 39,003.99-53,825.49-21,098.97

Finding the Fourth Proportional to 39,003.99, 53,825.49 and 21,098.97

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Solution

The fourth proportional to 39,003.99, 53,825.49 and 21,098.97 is: 29,116.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,003.99 : 53,825.49 = 21,098.97 : x
  2. Step 2: Convert to fraction form
    39,003.99/53,825.49 = 21,098.97/x
  3. Step 3: Cross multiply
    39,003.99x = 53,825.49 × 21,098.97
  4. Step 4: Simplify right side
    39,003.99x = 1,135,662,398.75
  5. Step 5: Solve for x
    x = 1,135,662,398.75/39,003.99
  6. Step 6: Final answer
    x = 29,116.57

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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.