Home / 31,758.82-47,636.31-14,223.94

Finding the Fourth Proportional to 31,758.82, 47,636.31 and 14,223.94

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Solution

The fourth proportional to 31,758.82, 47,636.31 and 14,223.94 is: 21,335.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,758.82 : 47,636.31 = 14,223.94 : x
  2. Step 2: Convert to fraction form
    31,758.82/47,636.31 = 14,223.94/x
  3. Step 3: Cross multiply
    31,758.82x = 47,636.31 × 14,223.94
  4. Step 4: Simplify right side
    31,758.82x = 677,576,015.26
  5. Step 5: Solve for x
    x = 677,576,015.26/31,758.82
  6. Step 6: Final answer
    x = 21,335.05

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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.