Home / 31,635.24-47,458.32-12,925.44

Finding the Fourth Proportional to 31,635.24, 47,458.32 and 12,925.44

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Solution

The fourth proportional to 31,635.24, 47,458.32 and 12,925.44 is: 19,390.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,635.24 : 47,458.32 = 12,925.44 : x
  2. Step 2: Convert to fraction form
    31,635.24/47,458.32 = 12,925.44/x
  3. Step 3: Cross multiply
    31,635.24x = 47,458.32 × 12,925.44
  4. Step 4: Simplify right side
    31,635.24x = 613,419,667.66
  5. Step 5: Solve for x
    x = 613,419,667.66/31,635.24
  6. Step 6: Final answer
    x = 19,390.39

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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.