Home / 31,672.15-47,500.66-9,479.57

Finding the Fourth Proportional to 31,672.15, 47,500.66 and 9,479.57

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Solution

The fourth proportional to 31,672.15, 47,500.66 and 9,479.57 is: 14,217.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,672.15 : 47,500.66 = 9,479.57 : x
  2. Step 2: Convert to fraction form
    31,672.15/47,500.66 = 9,479.57/x
  3. Step 3: Cross multiply
    31,672.15x = 47,500.66 × 9,479.57
  4. Step 4: Simplify right side
    31,672.15x = 450,285,605.86
  5. Step 5: Solve for x
    x = 450,285,605.86/31,672.15
  6. Step 6: Final answer
    x = 14,217.08

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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.