Home / 31,118.20-46,663.26-8,926.54

Finding the Fourth Proportional to 31,118.20, 46,663.26 and 8,926.54

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Solution

The fourth proportional to 31,118.20, 46,663.26 and 8,926.54 is: 13,385.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,118.20 : 46,663.26 = 8,926.54 : x
  2. Step 2: Convert to fraction form
    31,118.20/46,663.26 = 8,926.54/x
  3. Step 3: Cross multiply
    31,118.20x = 46,663.26 × 8,926.54
  4. Step 4: Simplify right side
    31,118.20x = 416,541,456.92
  5. Step 5: Solve for x
    x = 416,541,456.92/31,118.20
  6. Step 6: Final answer
    x = 13,385.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.