Home / 31,472.21-47,197.07-10,408.36

Finding the Fourth Proportional to 31,472.21, 47,197.07 and 10,408.36

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Solution

The fourth proportional to 31,472.21, 47,197.07 and 10,408.36 is: 15,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,472.21 : 47,197.07 = 10,408.36 : x
  2. Step 2: Convert to fraction form
    31,472.21/47,197.07 = 10,408.36/x
  3. Step 3: Cross multiply
    31,472.21x = 47,197.07 × 10,408.36
  4. Step 4: Simplify right side
    31,472.21x = 491,244,095.51
  5. Step 5: Solve for x
    x = 491,244,095.51/31,472.21
  6. Step 6: Final answer
    x = 15,608.82

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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.