Home / 55,190.22-82,710.81-39,573.42

Finding the Fourth Proportional to 55,190.22, 82,710.81 and 39,573.42

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Solution

The fourth proportional to 55,190.22, 82,710.81 and 39,573.42 is: 59,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,190.22 : 82,710.81 = 39,573.42 : x
  2. Step 2: Convert to fraction form
    55,190.22/82,710.81 = 39,573.42/x
  3. Step 3: Cross multiply
    55,190.22x = 82,710.81 × 39,573.42
  4. Step 4: Simplify right side
    55,190.22x = 3,273,149,622.67
  5. Step 5: Solve for x
    x = 3,273,149,622.67/55,190.22
  6. Step 6: Final answer
    x = 59,306.70

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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.