Home / 38,279.22-57,424.76-19,549.12

Finding the Fourth Proportional to 38,279.22, 57,424.76 and 19,549.12

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Solution

The fourth proportional to 38,279.22, 57,424.76 and 19,549.12 is: 29,326.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,279.22 : 57,424.76 = 19,549.12 : x
  2. Step 2: Convert to fraction form
    38,279.22/57,424.76 = 19,549.12/x
  3. Step 3: Cross multiply
    38,279.22x = 57,424.76 × 19,549.12
  4. Step 4: Simplify right side
    38,279.22x = 1,122,603,524.21
  5. Step 5: Solve for x
    x = 1,122,603,524.21/38,279.22
  6. Step 6: Final answer
    x = 29,326.71

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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.