Home / 47,631.71-71,447.59-12,095.69

Finding the Fourth Proportional to 47,631.71, 71,447.59 and 12,095.69

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Solution

The fourth proportional to 47,631.71, 71,447.59 and 12,095.69 is: 18,143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,631.71 : 71,447.59 = 12,095.69 : x
  2. Step 2: Convert to fraction form
    47,631.71/71,447.59 = 12,095.69/x
  3. Step 3: Cross multiply
    47,631.71x = 71,447.59 × 12,095.69
  4. Step 4: Simplify right side
    47,631.71x = 864,207,512.41
  5. Step 5: Solve for x
    x = 864,207,512.41/47,631.71
  6. Step 6: Final answer
    x = 18,143.54

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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.