Home / 30,244.86-41,749.49-20,169.61

Finding the Fourth Proportional to 30,244.86, 41,749.49 and 20,169.61

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Solution

The fourth proportional to 30,244.86, 41,749.49 and 20,169.61 is: 27,841.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,244.86 : 41,749.49 = 20,169.61 : x
  2. Step 2: Convert to fraction form
    30,244.86/41,749.49 = 20,169.61/x
  3. Step 3: Cross multiply
    30,244.86x = 41,749.49 × 20,169.61
  4. Step 4: Simplify right side
    30,244.86x = 842,070,877.05
  5. Step 5: Solve for x
    x = 842,070,877.05/30,244.86
  6. Step 6: Final answer
    x = 27,841.78

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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.