Home / 49,122.56-73,622.23-21,009.62

Finding the Fourth Proportional to 49,122.56, 73,622.23 and 21,009.62

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Solution

The fourth proportional to 49,122.56, 73,622.23 and 21,009.62 is: 31,488.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,122.56 : 73,622.23 = 21,009.62 : x
  2. Step 2: Convert to fraction form
    49,122.56/73,622.23 = 21,009.62/x
  3. Step 3: Cross multiply
    49,122.56x = 73,622.23 × 21,009.62
  4. Step 4: Simplify right side
    49,122.56x = 1,546,774,970.80
  5. Step 5: Solve for x
    x = 1,546,774,970.80/49,122.56
  6. Step 6: Final answer
    x = 31,488.08

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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.