Home / 31,640.04-47,460.78-10,863.72

Finding the Fourth Proportional to 31,640.04, 47,460.78 and 10,863.72

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Solution

The fourth proportional to 31,640.04, 47,460.78 and 10,863.72 is: 16,295.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,640.04 : 47,460.78 = 10,863.72 : x
  2. Step 2: Convert to fraction form
    31,640.04/47,460.78 = 10,863.72/x
  3. Step 3: Cross multiply
    31,640.04x = 47,460.78 × 10,863.72
  4. Step 4: Simplify right side
    31,640.04x = 515,600,624.90
  5. Step 5: Solve for x
    x = 515,600,624.90/31,640.04
  6. Step 6: Final answer
    x = 16,295.83

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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.