Home / 53,321.68-79,993.32-15,882.40

Finding the Fourth Proportional to 53,321.68, 79,993.32 and 15,882.40

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Solution

The fourth proportional to 53,321.68, 79,993.32 and 15,882.40 is: 23,826.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,321.68 : 79,993.32 = 15,882.40 : x
  2. Step 2: Convert to fraction form
    53,321.68/79,993.32 = 15,882.40/x
  3. Step 3: Cross multiply
    53,321.68x = 79,993.32 × 15,882.40
  4. Step 4: Simplify right side
    53,321.68x = 1,270,485,905.57
  5. Step 5: Solve for x
    x = 1,270,485,905.57/53,321.68
  6. Step 6: Final answer
    x = 23,826.82

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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.