Home / 61,398.08-84,729.48-36,249.20

Finding the Fourth Proportional to 61,398.08, 84,729.48 and 36,249.20

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Solution

The fourth proportional to 61,398.08, 84,729.48 and 36,249.20 is: 50,023.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,398.08 : 84,729.48 = 36,249.20 : x
  2. Step 2: Convert to fraction form
    61,398.08/84,729.48 = 36,249.20/x
  3. Step 3: Cross multiply
    61,398.08x = 84,729.48 × 36,249.20
  4. Step 4: Simplify right side
    61,398.08x = 3,071,375,866.42
  5. Step 5: Solve for x
    x = 3,071,375,866.42/61,398.08
  6. Step 6: Final answer
    x = 50,023.97

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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.