Home / 39,517.28-54,533.27-21,611.82

Finding the Fourth Proportional to 39,517.28, 54,533.27 and 21,611.82

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Solution

The fourth proportional to 39,517.28, 54,533.27 and 21,611.82 is: 29,824.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,517.28 : 54,533.27 = 21,611.82 : x
  2. Step 2: Convert to fraction form
    39,517.28/54,533.27 = 21,611.82/x
  3. Step 3: Cross multiply
    39,517.28x = 54,533.27 × 21,611.82
  4. Step 4: Simplify right side
    39,517.28x = 1,178,563,107.19
  5. Step 5: Solve for x
    x = 1,178,563,107.19/39,517.28
  6. Step 6: Final answer
    x = 29,824.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.