Home / 40,081.38-55,313.93-22,176.10

Finding the Fourth Proportional to 40,081.38, 55,313.93 and 22,176.10

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Solution

The fourth proportional to 40,081.38, 55,313.93 and 22,176.10 is: 30,603.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,081.38 : 55,313.93 = 22,176.10 : x
  2. Step 2: Convert to fraction form
    40,081.38/55,313.93 = 22,176.10/x
  3. Step 3: Cross multiply
    40,081.38x = 55,313.93 × 22,176.10
  4. Step 4: Simplify right side
    40,081.38x = 1,226,647,160.23
  5. Step 5: Solve for x
    x = 1,226,647,160.23/40,081.38
  6. Step 6: Final answer
    x = 30,603.92

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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.