Home / 49,420.26-74,111.76-17,821.89

Finding the Fourth Proportional to 49,420.26, 74,111.76 and 17,821.89

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Solution

The fourth proportional to 49,420.26, 74,111.76 and 17,821.89 is: 26,726.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,420.26 : 74,111.76 = 17,821.89 : x
  2. Step 2: Convert to fraction form
    49,420.26/74,111.76 = 17,821.89/x
  3. Step 3: Cross multiply
    49,420.26x = 74,111.76 × 17,821.89
  4. Step 4: Simplify right side
    49,420.26x = 1,320,811,634.43
  5. Step 5: Solve for x
    x = 1,320,811,634.43/49,420.26
  6. Step 6: Final answer
    x = 26,726.12

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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.