Home / 36,658.02-54,992.40-13,278.96

Finding the Fourth Proportional to 36,658.02, 54,992.40 and 13,278.96

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Solution

The fourth proportional to 36,658.02, 54,992.40 and 13,278.96 is: 19,920.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,658.02 : 54,992.40 = 13,278.96 : x
  2. Step 2: Convert to fraction form
    36,658.02/54,992.40 = 13,278.96/x
  3. Step 3: Cross multiply
    36,658.02x = 54,992.40 × 13,278.96
  4. Step 4: Simplify right side
    36,658.02x = 730,241,879.90
  5. Step 5: Solve for x
    x = 730,241,879.90/36,658.02
  6. Step 6: Final answer
    x = 19,920.39

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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.