Home / 31,557.40-47,336.40-8,183.84

Finding the Fourth Proportional to 31,557.40, 47,336.40 and 8,183.84

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Solution

The fourth proportional to 31,557.40, 47,336.40 and 8,183.84 is: 12,275.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,557.40 : 47,336.40 = 8,183.84 : x
  2. Step 2: Convert to fraction form
    31,557.40/47,336.40 = 8,183.84/x
  3. Step 3: Cross multiply
    31,557.40x = 47,336.40 × 8,183.84
  4. Step 4: Simplify right side
    31,557.40x = 387,393,287.09
  5. Step 5: Solve for x
    x = 387,393,287.09/31,557.40
  6. Step 6: Final answer
    x = 12,275.83

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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.