Home / 55,125.82-82,730.34-40,372.98

Finding the Fourth Proportional to 55,125.82, 82,730.34 and 40,372.98

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Solution

The fourth proportional to 55,125.82, 82,730.34 and 40,372.98 is: 60,589.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,125.82 : 82,730.34 = 40,372.98 : x
  2. Step 2: Convert to fraction form
    55,125.82/82,730.34 = 40,372.98/x
  3. Step 3: Cross multiply
    55,125.82x = 82,730.34 × 40,372.98
  4. Step 4: Simplify right side
    55,125.82x = 3,340,070,403.78
  5. Step 5: Solve for x
    x = 3,340,070,403.78/55,125.82
  6. Step 6: Final answer
    x = 60,589.95

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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.