Home / 39,028.08-53,858.04-22,259.76

Finding the Fourth Proportional to 39,028.08, 53,858.04 and 22,259.76

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Solution

The fourth proportional to 39,028.08, 53,858.04 and 22,259.76 is: 30,718.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,028.08 : 53,858.04 = 22,259.76 : x
  2. Step 2: Convert to fraction form
    39,028.08/53,858.04 = 22,259.76/x
  3. Step 3: Cross multiply
    39,028.08x = 53,858.04 × 22,259.76
  4. Step 4: Simplify right side
    39,028.08x = 1,198,867,044.47
  5. Step 5: Solve for x
    x = 1,198,867,044.47/39,028.08
  6. Step 6: Final answer
    x = 30,718.06

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Similar ratio
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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.