Home / 31,521.89-47,282.99-9,335.69

Finding the Fourth Proportional to 31,521.89, 47,282.99 and 9,335.69

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Solution

The fourth proportional to 31,521.89, 47,282.99 and 9,335.69 is: 14,003.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,521.89 : 47,282.99 = 9,335.69 : x
  2. Step 2: Convert to fraction form
    31,521.89/47,282.99 = 9,335.69/x
  3. Step 3: Cross multiply
    31,521.89x = 47,282.99 × 9,335.69
  4. Step 4: Simplify right side
    31,521.89x = 441,419,195.37
  5. Step 5: Solve for x
    x = 441,419,195.37/31,521.89
  6. Step 6: Final answer
    x = 14,003.58

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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.