Home / 31,709.39-47,560.30-8,337.65

Finding the Fourth Proportional to 31,709.39, 47,560.30 and 8,337.65

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Solution

The fourth proportional to 31,709.39, 47,560.30 and 8,337.65 is: 12,505.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,709.39 : 47,560.30 = 8,337.65 : x
  2. Step 2: Convert to fraction form
    31,709.39/47,560.30 = 8,337.65/x
  3. Step 3: Cross multiply
    31,709.39x = 47,560.30 × 8,337.65
  4. Step 4: Simplify right side
    31,709.39x = 396,540,876.65
  5. Step 5: Solve for x
    x = 396,540,876.65/31,709.39
  6. Step 6: Final answer
    x = 12,505.47

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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.