Home / 31,474.22-47,178.26-15,859.10

Finding the Fourth Proportional to 31,474.22, 47,178.26 and 15,859.10

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Solution

The fourth proportional to 31,474.22, 47,178.26 and 15,859.10 is: 23,771.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,474.22 : 47,178.26 = 15,859.10 : x
  2. Step 2: Convert to fraction form
    31,474.22/47,178.26 = 15,859.10/x
  3. Step 3: Cross multiply
    31,474.22x = 47,178.26 × 15,859.10
  4. Step 4: Simplify right side
    31,474.22x = 748,204,743.17
  5. Step 5: Solve for x
    x = 748,204,743.17/31,474.22
  6. Step 6: Final answer
    x = 23,771.99

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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.