Home / 39,205.92-54,103.41-22,209.93

Finding the Fourth Proportional to 39,205.92, 54,103.41 and 22,209.93

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Solution

The fourth proportional to 39,205.92, 54,103.41 and 22,209.93 is: 30,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,205.92 : 54,103.41 = 22,209.93 : x
  2. Step 2: Convert to fraction form
    39,205.92/54,103.41 = 22,209.93/x
  3. Step 3: Cross multiply
    39,205.92x = 54,103.41 × 22,209.93
  4. Step 4: Simplify right side
    39,205.92x = 1,201,632,948.86
  5. Step 5: Solve for x
    x = 1,201,632,948.86/39,205.92
  6. Step 6: Final answer
    x = 30,649.27

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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.