Home / 39,992.08-55,188.01-22,086.70

Finding the Fourth Proportional to 39,992.08, 55,188.01 and 22,086.70

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Solution

The fourth proportional to 39,992.08, 55,188.01 and 22,086.70 is: 30,479.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,992.08 : 55,188.01 = 22,086.70 : x
  2. Step 2: Convert to fraction form
    39,992.08/55,188.01 = 22,086.70/x
  3. Step 3: Cross multiply
    39,992.08x = 55,188.01 × 22,086.70
  4. Step 4: Simplify right side
    39,992.08x = 1,218,921,055.00
  5. Step 5: Solve for x
    x = 1,218,921,055.00/39,992.08
  6. Step 6: Final answer
    x = 30,479.06

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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.