Home / 53,708.24-80,599.34-18,647.90

Finding the Fourth Proportional to 53,708.24, 80,599.34 and 18,647.90

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Solution

The fourth proportional to 53,708.24, 80,599.34 and 18,647.90 is: 27,984.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,708.24 : 80,599.34 = 18,647.90 : x
  2. Step 2: Convert to fraction form
    53,708.24/80,599.34 = 18,647.90/x
  3. Step 3: Cross multiply
    53,708.24x = 80,599.34 × 18,647.90
  4. Step 4: Simplify right side
    53,708.24x = 1,503,008,432.39
  5. Step 5: Solve for x
    x = 1,503,008,432.39/53,708.24
  6. Step 6: Final answer
    x = 27,984.69

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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.