Home / 41,901.78-62,861.94-13,830.51

Finding the Fourth Proportional to 41,901.78, 62,861.94 and 13,830.51

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Solution

The fourth proportional to 41,901.78, 62,861.94 and 13,830.51 is: 20,748.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,901.78 : 62,861.94 = 13,830.51 : x
  2. Step 2: Convert to fraction form
    41,901.78/62,861.94 = 13,830.51/x
  3. Step 3: Cross multiply
    41,901.78x = 62,861.94 × 13,830.51
  4. Step 4: Simplify right side
    41,901.78x = 869,412,689.79
  5. Step 5: Solve for x
    x = 869,412,689.79/41,901.78
  6. Step 6: Final answer
    x = 20,748.82

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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.