Home / 53,379.32-80,042.50-31,198.28

Finding the Fourth Proportional to 53,379.32, 80,042.50 and 31,198.28

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Solution

The fourth proportional to 53,379.32, 80,042.50 and 31,198.28 is: 46,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,379.32 : 80,042.50 = 31,198.28 : x
  2. Step 2: Convert to fraction form
    53,379.32/80,042.50 = 31,198.28/x
  3. Step 3: Cross multiply
    53,379.32x = 80,042.50 × 31,198.28
  4. Step 4: Simplify right side
    53,379.32x = 2,497,188,326.90
  5. Step 5: Solve for x
    x = 2,497,188,326.90/53,379.32
  6. Step 6: Final answer
    x = 46,781.94

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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.