Home / 52,929.28-79,384.08-15,481.12

Finding the Fourth Proportional to 52,929.28, 79,384.08 and 15,481.12

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Solution

The fourth proportional to 52,929.28, 79,384.08 and 15,481.12 is: 23,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,929.28 : 79,384.08 = 15,481.12 : x
  2. Step 2: Convert to fraction form
    52,929.28/79,384.08 = 15,481.12/x
  3. Step 3: Cross multiply
    52,929.28x = 79,384.08 × 15,481.12
  4. Step 4: Simplify right side
    52,929.28x = 1,228,954,468.57
  5. Step 5: Solve for x
    x = 1,228,954,468.57/52,929.28
  6. Step 6: Final answer
    x = 23,218.80

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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.