Home / 53,118.78-79,628.96-18,033.84

Finding the Fourth Proportional to 53,118.78, 79,628.96 and 18,033.84

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Solution

The fourth proportional to 53,118.78, 79,628.96 and 18,033.84 is: 27,034.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,118.78 : 79,628.96 = 18,033.84 : x
  2. Step 2: Convert to fraction form
    53,118.78/79,628.96 = 18,033.84/x
  3. Step 3: Cross multiply
    53,118.78x = 79,628.96 × 18,033.84
  4. Step 4: Simplify right side
    53,118.78x = 1,436,015,833.84
  5. Step 5: Solve for x
    x = 1,436,015,833.84/53,118.78
  6. Step 6: Final answer
    x = 27,034.05

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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.