Home / 45,990.42-63,514.97-31,687.44

Finding the Fourth Proportional to 45,990.42, 63,514.97 and 31,687.44

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Solution

The fourth proportional to 45,990.42, 63,514.97 and 31,687.44 is: 43,761.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,990.42 : 63,514.97 = 31,687.44 : x
  2. Step 2: Convert to fraction form
    45,990.42/63,514.97 = 31,687.44/x
  3. Step 3: Cross multiply
    45,990.42x = 63,514.97 × 31,687.44
  4. Step 4: Simplify right side
    45,990.42x = 2,012,626,642.54
  5. Step 5: Solve for x
    x = 2,012,626,642.54/45,990.42
  6. Step 6: Final answer
    x = 43,761.87

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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.