Home / 39,988.15-55,183.39-22,083.01

Finding the Fourth Proportional to 39,988.15, 55,183.39 and 22,083.01

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Solution

The fourth proportional to 39,988.15, 55,183.39 and 22,083.01 is: 30,474.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,988.15 : 55,183.39 = 22,083.01 : x
  2. Step 2: Convert to fraction form
    39,988.15/55,183.39 = 22,083.01/x
  3. Step 3: Cross multiply
    39,988.15x = 55,183.39 × 22,083.01
  4. Step 4: Simplify right side
    39,988.15x = 1,218,615,353.20
  5. Step 5: Solve for x
    x = 1,218,615,353.20/39,988.15
  6. Step 6: Final answer
    x = 30,474.41

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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.