Home / 39,003.19-53,824.16-21,098.14

Finding the Fourth Proportional to 39,003.19, 53,824.16 and 21,098.14

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Solution

The fourth proportional to 39,003.19, 53,824.16 and 21,098.14 is: 29,115.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,003.19 : 53,824.16 = 21,098.14 : x
  2. Step 2: Convert to fraction form
    39,003.19/53,824.16 = 21,098.14/x
  3. Step 3: Cross multiply
    39,003.19x = 53,824.16 × 21,098.14
  4. Step 4: Simplify right side
    39,003.19x = 1,135,589,581.25
  5. Step 5: Solve for x
    x = 1,135,589,581.25/39,003.19
  6. Step 6: Final answer
    x = 29,115.30

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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.