Home / 49,122.74-73,622.46-21,009.74

Finding the Fourth Proportional to 49,122.74, 73,622.46 and 21,009.74

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Solution

The fourth proportional to 49,122.74, 73,622.46 and 21,009.74 is: 31,488.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,122.74 : 73,622.46 = 21,009.74 : x
  2. Step 2: Convert to fraction form
    49,122.74/73,622.46 = 21,009.74/x
  3. Step 3: Cross multiply
    49,122.74x = 73,622.46 × 21,009.74
  4. Step 4: Simplify right side
    49,122.74x = 1,546,788,742.76
  5. Step 5: Solve for x
    x = 1,546,788,742.76/49,122.74
  6. Step 6: Final answer
    x = 31,488.24

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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.