Home / 31,841.48-43,960.92-20,514.98

Finding the Fourth Proportional to 31,841.48, 43,960.92 and 20,514.98

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Solution

The fourth proportional to 31,841.48, 43,960.92 and 20,514.98 is: 28,323.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,841.48 : 43,960.92 = 20,514.98 : x
  2. Step 2: Convert to fraction form
    31,841.48/43,960.92 = 20,514.98/x
  3. Step 3: Cross multiply
    31,841.48x = 43,960.92 × 20,514.98
  4. Step 4: Simplify right side
    31,841.48x = 901,857,394.58
  5. Step 5: Solve for x
    x = 901,857,394.58/31,841.48
  6. Step 6: Final answer
    x = 28,323.35

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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.