Home / 49,818.26-74,649.54-31,311.38

Finding the Fourth Proportional to 49,818.26, 74,649.54 and 31,311.38

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Solution

The fourth proportional to 49,818.26, 74,649.54 and 31,311.38 is: 46,918.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,818.26 : 74,649.54 = 31,311.38 : x
  2. Step 2: Convert to fraction form
    49,818.26/74,649.54 = 31,311.38/x
  3. Step 3: Cross multiply
    49,818.26x = 74,649.54 × 31,311.38
  4. Step 4: Simplify right side
    49,818.26x = 2,337,380,113.77
  5. Step 5: Solve for x
    x = 2,337,380,113.77/49,818.26
  6. Step 6: Final answer
    x = 46,918.14

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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.