Home / 39,904.08-55,067.04-22,000.92

Finding the Fourth Proportional to 39,904.08, 55,067.04 and 22,000.92

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Solution

The fourth proportional to 39,904.08, 55,067.04 and 22,000.92 is: 30,360.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,904.08 : 55,067.04 = 22,000.92 : x
  2. Step 2: Convert to fraction form
    39,904.08/55,067.04 = 22,000.92/x
  3. Step 3: Cross multiply
    39,904.08x = 55,067.04 × 22,000.92
  4. Step 4: Simplify right side
    39,904.08x = 1,211,525,541.68
  5. Step 5: Solve for x
    x = 1,211,525,541.68/39,904.08
  6. Step 6: Final answer
    x = 30,360.94

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Double scale
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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.