Home / 49,401.09-74,079.23-21,307.86

Finding the Fourth Proportional to 49,401.09, 74,079.23 and 21,307.86

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Solution

The fourth proportional to 49,401.09, 74,079.23 and 21,307.86 is: 31,952.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,401.09 : 74,079.23 = 21,307.86 : x
  2. Step 2: Convert to fraction form
    49,401.09/74,079.23 = 21,307.86/x
  3. Step 3: Cross multiply
    49,401.09x = 74,079.23 × 21,307.86
  4. Step 4: Simplify right side
    49,401.09x = 1,578,469,755.21
  5. Step 5: Solve for x
    x = 1,578,469,755.21/49,401.09
  6. Step 6: Final answer
    x = 31,952.12

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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.