Home / 39,103.58-53,960.22-22,108.65

Finding the Fourth Proportional to 39,103.58, 53,960.22 and 22,108.65

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Solution

The fourth proportional to 39,103.58, 53,960.22 and 22,108.65 is: 30,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,103.58 : 53,960.22 = 22,108.65 : x
  2. Step 2: Convert to fraction form
    39,103.58/53,960.22 = 22,108.65/x
  3. Step 3: Cross multiply
    39,103.58x = 53,960.22 × 22,108.65
  4. Step 4: Simplify right side
    39,103.58x = 1,192,987,617.90
  5. Step 5: Solve for x
    x = 1,192,987,617.90/39,103.58
  6. Step 6: Final answer
    x = 30,508.40

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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.