Home / 39,920.01-55,088.94-22,016.64

Finding the Fourth Proportional to 39,920.01, 55,088.94 and 22,016.64

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Solution

The fourth proportional to 39,920.01, 55,088.94 and 22,016.64 is: 30,382.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,920.01 : 55,088.94 = 22,016.64 : x
  2. Step 2: Convert to fraction form
    39,920.01/55,088.94 = 22,016.64/x
  3. Step 3: Cross multiply
    39,920.01x = 55,088.94 × 22,016.64
  4. Step 4: Simplify right side
    39,920.01x = 1,212,873,359.96
  5. Step 5: Solve for x
    x = 1,212,873,359.96/39,920.01
  6. Step 6: Final answer
    x = 30,382.59

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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.