Home / 49,736.81-74,532.92-31,911.55

Finding the Fourth Proportional to 49,736.81, 74,532.92 and 31,911.55

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Solution

The fourth proportional to 49,736.81, 74,532.92 and 31,911.55 is: 47,820.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,736.81 : 74,532.92 = 31,911.55 : x
  2. Step 2: Convert to fraction form
    49,736.81/74,532.92 = 31,911.55/x
  3. Step 3: Cross multiply
    49,736.81x = 74,532.92 × 31,911.55
  4. Step 4: Simplify right side
    49,736.81x = 2,378,461,003.23
  5. Step 5: Solve for x
    x = 2,378,461,003.23/49,736.81
  6. Step 6: Final answer
    x = 47,820.94

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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.