Home / 40,896.74-61,345.21-12,433.94

Finding the Fourth Proportional to 40,896.74, 61,345.21 and 12,433.94

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Solution

The fourth proportional to 40,896.74, 61,345.21 and 12,433.94 is: 18,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,896.74 : 61,345.21 = 12,433.94 : x
  2. Step 2: Convert to fraction form
    40,896.74/61,345.21 = 12,433.94/x
  3. Step 3: Cross multiply
    40,896.74x = 61,345.21 × 12,433.94
  4. Step 4: Simplify right side
    40,896.74x = 762,762,799.80
  5. Step 5: Solve for x
    x = 762,762,799.80/40,896.74
  6. Step 6: Final answer
    x = 18,650.94

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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.