Home / 49,418.52-74,131.90-14,358.18

Finding the Fourth Proportional to 49,418.52, 74,131.90 and 14,358.18

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Solution

The fourth proportional to 49,418.52, 74,131.90 and 14,358.18 is: 21,538.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,418.52 : 74,131.90 = 14,358.18 : x
  2. Step 2: Convert to fraction form
    49,418.52/74,131.90 = 14,358.18/x
  3. Step 3: Cross multiply
    49,418.52x = 74,131.90 × 14,358.18
  4. Step 4: Simplify right side
    49,418.52x = 1,064,399,163.94
  5. Step 5: Solve for x
    x = 1,064,399,163.94/49,418.52
  6. Step 6: Final answer
    x = 21,538.47

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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.