Home / 39,906.07-55,071.21-22,001.83

Finding the Fourth Proportional to 39,906.07, 55,071.21 and 22,001.83

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Solution

The fourth proportional to 39,906.07, 55,071.21 and 22,001.83 is: 30,362.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,906.07 : 55,071.21 = 22,001.83 : x
  2. Step 2: Convert to fraction form
    39,906.07/55,071.21 = 22,001.83/x
  3. Step 3: Cross multiply
    39,906.07x = 55,071.21 × 22,001.83
  4. Step 4: Simplify right side
    39,906.07x = 1,211,667,400.31
  5. Step 5: Solve for x
    x = 1,211,667,400.31/39,906.07
  6. Step 6: Final answer
    x = 30,362.98

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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.