Home / 51,851.28-77,784.42-22,268.88

Finding the Fourth Proportional to 51,851.28, 77,784.42 and 22,268.88

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Solution

The fourth proportional to 51,851.28, 77,784.42 and 22,268.88 is: 33,406.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,851.28 : 77,784.42 = 22,268.88 : x
  2. Step 2: Convert to fraction form
    51,851.28/77,784.42 = 22,268.88/x
  3. Step 3: Cross multiply
    51,851.28x = 77,784.42 × 22,268.88
  4. Step 4: Simplify right side
    51,851.28x = 1,732,171,914.85
  5. Step 5: Solve for x
    x = 1,732,171,914.85/51,851.28
  6. Step 6: Final answer
    x = 33,406.54

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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.