Home / 49,752.74-74,628.93-20,170.50

Finding the Fourth Proportional to 49,752.74, 74,628.93 and 20,170.50

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Solution

The fourth proportional to 49,752.74, 74,628.93 and 20,170.50 is: 30,255.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,752.74 : 74,628.93 = 20,170.50 : x
  2. Step 2: Convert to fraction form
    49,752.74/74,628.93 = 20,170.50/x
  3. Step 3: Cross multiply
    49,752.74x = 74,628.93 × 20,170.50
  4. Step 4: Simplify right side
    49,752.74x = 1,505,302,832.57
  5. Step 5: Solve for x
    x = 1,505,302,832.57/49,752.74
  6. Step 6: Final answer
    x = 30,255.68

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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.