Home / 31,351.46-47,026.27-9,165.35

Finding the Fourth Proportional to 31,351.46, 47,026.27 and 9,165.35

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Solution

The fourth proportional to 31,351.46, 47,026.27 and 9,165.35 is: 13,747.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,351.46 : 47,026.27 = 9,165.35 : x
  2. Step 2: Convert to fraction form
    31,351.46/47,026.27 = 9,165.35/x
  3. Step 3: Cross multiply
    31,351.46x = 47,026.27 × 9,165.35
  4. Step 4: Simplify right side
    31,351.46x = 431,012,177.92
  5. Step 5: Solve for x
    x = 431,012,177.92/31,351.46
  6. Step 6: Final answer
    x = 13,747.76

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1.5x scale

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.