Home / 39,971.62-55,160.84-22,066.64

Finding the Fourth Proportional to 39,971.62, 55,160.84 and 22,066.64

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Solution

The fourth proportional to 39,971.62, 55,160.84 and 22,066.64 is: 30,451.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,971.62 : 55,160.84 = 22,066.64 : x
  2. Step 2: Convert to fraction form
    39,971.62/55,160.84 = 22,066.64/x
  3. Step 3: Cross multiply
    39,971.62x = 55,160.84 × 22,066.64
  4. Step 4: Simplify right side
    39,971.62x = 1,217,214,398.38
  5. Step 5: Solve for x
    x = 1,217,214,398.38/39,971.62
  6. Step 6: Final answer
    x = 30,451.97

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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.