Home / 51,810-77,739.60-22,236.30

Finding the Fourth Proportional to 51,810, 77,739.60 and 22,236.30

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Solution

The fourth proportional to 51,810, 77,739.60 and 22,236.30 is: 33,365.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,810 : 77,739.60 = 22,236.30 : x
  2. Step 2: Convert to fraction form
    51,810/77,739.60 = 22,236.30/x
  3. Step 3: Cross multiply
    51,810x = 77,739.60 × 22,236.30
  4. Step 4: Simplify right side
    51,810x = 1,728,641,067.48
  5. Step 5: Solve for x
    x = 1,728,641,067.48/51,810
  6. Step 6: Final answer
    x = 33,365.01

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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.