Home / 52,813.30-79,216.09-19,517.84

Finding the Fourth Proportional to 52,813.30, 79,216.09 and 19,517.84

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Solution

The fourth proportional to 52,813.30, 79,216.09 and 19,517.84 is: 29,275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,813.30 : 79,216.09 = 19,517.84 : x
  2. Step 2: Convert to fraction form
    52,813.30/79,216.09 = 19,517.84/x
  3. Step 3: Cross multiply
    52,813.30x = 79,216.09 × 19,517.84
  4. Step 4: Simplify right side
    52,813.30x = 1,546,126,970.05
  5. Step 5: Solve for x
    x = 1,546,126,970.05/52,813.30
  6. Step 6: Final answer
    x = 29,275.33

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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.