Home / 61,395.20-92,062.56-19,836.80

Finding the Fourth Proportional to 61,395.20, 92,062.56 and 19,836.80

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Solution

The fourth proportional to 61,395.20, 92,062.56 and 19,836.80 is: 29,745.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,395.20 : 92,062.56 = 19,836.80 : x
  2. Step 2: Convert to fraction form
    61,395.20/92,062.56 = 19,836.80/x
  3. Step 3: Cross multiply
    61,395.20x = 92,062.56 × 19,836.80
  4. Step 4: Simplify right side
    61,395.20x = 1,826,226,590.21
  5. Step 5: Solve for x
    x = 1,826,226,590.21/61,395.20
  6. Step 6: Final answer
    x = 29,745.43

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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.