Home / 40,890.42-61,324.29-11,305.98

Finding the Fourth Proportional to 40,890.42, 61,324.29 and 11,305.98

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Solution

The fourth proportional to 40,890.42, 61,324.29 and 11,305.98 is: 16,955.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,890.42 : 61,324.29 = 11,305.98 : x
  2. Step 2: Convert to fraction form
    40,890.42/61,324.29 = 11,305.98/x
  3. Step 3: Cross multiply
    40,890.42x = 61,324.29 × 11,305.98
  4. Step 4: Simplify right side
    40,890.42x = 693,331,196.25
  5. Step 5: Solve for x
    x = 693,331,196.25/40,890.42
  6. Step 6: Final answer
    x = 16,955.83

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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.