Home / 31,636.14-47,454.15-12,924.96

Finding the Fourth Proportional to 31,636.14, 47,454.15 and 12,924.96

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Solution

The fourth proportional to 31,636.14, 47,454.15 and 12,924.96 is: 19,387.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,636.14 : 47,454.15 = 12,924.96 : x
  2. Step 2: Convert to fraction form
    31,636.14/47,454.15 = 12,924.96/x
  3. Step 3: Cross multiply
    31,636.14x = 47,454.15 × 12,924.96
  4. Step 4: Simplify right side
    31,636.14x = 613,342,990.58
  5. Step 5: Solve for x
    x = 613,342,990.58/31,636.14
  6. Step 6: Final answer
    x = 19,387.42

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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.