Home / 41,028.78-61,543.21-21,265.86

Finding the Fourth Proportional to 41,028.78, 61,543.21 and 21,265.86

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Solution

The fourth proportional to 41,028.78, 61,543.21 and 21,265.86 is: 31,898.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,028.78 : 61,543.21 = 21,265.86 : x
  2. Step 2: Convert to fraction form
    41,028.78/61,543.21 = 21,265.86/x
  3. Step 3: Cross multiply
    41,028.78x = 61,543.21 × 21,265.86
  4. Step 4: Simplify right side
    41,028.78x = 1,308,769,287.81
  5. Step 5: Solve for x
    x = 1,308,769,287.81/41,028.78
  6. Step 6: Final answer
    x = 31,898.81

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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.