Home / 46,190.86-69,287.20-21,224.09

Finding the Fourth Proportional to 46,190.86, 69,287.20 and 21,224.09

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Solution

The fourth proportional to 46,190.86, 69,287.20 and 21,224.09 is: 31,836.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,190.86 : 69,287.20 = 21,224.09 : x
  2. Step 2: Convert to fraction form
    46,190.86/69,287.20 = 21,224.09/x
  3. Step 3: Cross multiply
    46,190.86x = 69,287.20 × 21,224.09
  4. Step 4: Simplify right side
    46,190.86x = 1,470,557,888.81
  5. Step 5: Solve for x
    x = 1,470,557,888.81/46,190.86
  6. Step 6: Final answer
    x = 31,836.56

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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.