Home / 31,777.86-47,658.74-13,063.07

Finding the Fourth Proportional to 31,777.86, 47,658.74 and 13,063.07

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Solution

The fourth proportional to 31,777.86, 47,658.74 and 13,063.07 is: 19,591.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,777.86 : 47,658.74 = 13,063.07 : x
  2. Step 2: Convert to fraction form
    31,777.86/47,658.74 = 13,063.07/x
  3. Step 3: Cross multiply
    31,777.86x = 47,658.74 × 13,063.07
  4. Step 4: Simplify right side
    31,777.86x = 622,569,251.10
  5. Step 5: Solve for x
    x = 622,569,251.10/31,777.86
  6. Step 6: Final answer
    x = 19,591.29

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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.