Home / 31,751.57-47,636.60-14,217.30

Finding the Fourth Proportional to 31,751.57, 47,636.60 and 14,217.30

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Solution

The fourth proportional to 31,751.57, 47,636.60 and 14,217.30 is: 21,330.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,751.57 : 47,636.60 = 14,217.30 : x
  2. Step 2: Convert to fraction form
    31,751.57/47,636.60 = 14,217.30/x
  3. Step 3: Cross multiply
    31,751.57x = 47,636.60 × 14,217.30
  4. Step 4: Simplify right side
    31,751.57x = 677,263,833.18
  5. Step 5: Solve for x
    x = 677,263,833.18/31,751.57
  6. Step 6: Final answer
    x = 21,330.09

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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.