Home / 38,644.74-57,965.22-12,348.36

Finding the Fourth Proportional to 38,644.74, 57,965.22 and 12,348.36

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Solution

The fourth proportional to 38,644.74, 57,965.22 and 12,348.36 is: 18,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,644.74 : 57,965.22 = 12,348.36 : x
  2. Step 2: Convert to fraction form
    38,644.74/57,965.22 = 12,348.36/x
  3. Step 3: Cross multiply
    38,644.74x = 57,965.22 × 12,348.36
  4. Step 4: Simplify right side
    38,644.74x = 715,775,404.04
  5. Step 5: Solve for x
    x = 715,775,404.04/38,644.74
  6. Step 6: Final answer
    x = 18,521.94

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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.