Home / 31,866.78-47,809.39-14,096.75

Finding the Fourth Proportional to 31,866.78, 47,809.39 and 14,096.75

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Solution

The fourth proportional to 31,866.78, 47,809.39 and 14,096.75 is: 21,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,866.78 : 47,809.39 = 14,096.75 : x
  2. Step 2: Convert to fraction form
    31,866.78/47,809.39 = 14,096.75/x
  3. Step 3: Cross multiply
    31,866.78x = 47,809.39 × 14,096.75
  4. Step 4: Simplify right side
    31,866.78x = 673,957,039.55
  5. Step 5: Solve for x
    x = 673,957,039.55/31,866.78
  6. Step 6: Final answer
    x = 21,149.20

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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.