Home / 39,911.43-55,078.15-22,007.08

Finding the Fourth Proportional to 39,911.43, 55,078.15 and 22,007.08

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Solution

The fourth proportional to 39,911.43, 55,078.15 and 22,007.08 is: 30,369.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,911.43 : 55,078.15 = 22,007.08 : x
  2. Step 2: Convert to fraction form
    39,911.43/55,078.15 = 22,007.08/x
  3. Step 3: Cross multiply
    39,911.43x = 55,078.15 × 22,007.08
  4. Step 4: Simplify right side
    39,911.43x = 1,212,109,060.59
  5. Step 5: Solve for x
    x = 1,212,109,060.59/39,911.43
  6. Step 6: Final answer
    x = 30,369.97

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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.