Home / 39,906.39-55,071.19-22,002.03

Finding the Fourth Proportional to 39,906.39, 55,071.19 and 22,002.03

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Solution

The fourth proportional to 39,906.39, 55,071.19 and 22,002.03 is: 30,363.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,906.39 : 55,071.19 = 22,002.03 : x
  2. Step 2: Convert to fraction form
    39,906.39/55,071.19 = 22,002.03/x
  3. Step 3: Cross multiply
    39,906.39x = 55,071.19 × 22,002.03
  4. Step 4: Simplify right side
    39,906.39x = 1,211,678,057.19
  5. Step 5: Solve for x
    x = 1,211,678,057.19/39,906.39
  6. Step 6: Final answer
    x = 30,363.01

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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.