Home / 31,351.52-47,026.36-9,165.41

Finding the Fourth Proportional to 31,351.52, 47,026.36 and 9,165.41

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Solution

The fourth proportional to 31,351.52, 47,026.36 and 9,165.41 is: 13,747.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,351.52 : 47,026.36 = 9,165.41 : x
  2. Step 2: Convert to fraction form
    31,351.52/47,026.36 = 9,165.41/x
  3. Step 3: Cross multiply
    31,351.52x = 47,026.36 × 9,165.41
  4. Step 4: Simplify right side
    31,351.52x = 431,015,987.77
  5. Step 5: Solve for x
    x = 431,015,987.77/31,351.52
  6. Step 6: Final answer
    x = 13,747.85

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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.