Home / 55,288.80-82,868.40-41,421.60

Finding the Fourth Proportional to 55,288.80, 82,868.40 and 41,421.60

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Solution

The fourth proportional to 55,288.80, 82,868.40 and 41,421.60 is: 62,083.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,288.80 : 82,868.40 = 41,421.60 : x
  2. Step 2: Convert to fraction form
    55,288.80/82,868.40 = 41,421.60/x
  3. Step 3: Cross multiply
    55,288.80x = 82,868.40 × 41,421.60
  4. Step 4: Simplify right side
    55,288.80x = 3,432,541,717.44
  5. Step 5: Solve for x
    x = 3,432,541,717.44/55,288.80
  6. Step 6: Final answer
    x = 62,083.85

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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.