Home / 31,480.83-47,229.41-13,946.49

Finding the Fourth Proportional to 31,480.83, 47,229.41 and 13,946.49

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Solution

The fourth proportional to 31,480.83, 47,229.41 and 13,946.49 is: 20,923.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,480.83 : 47,229.41 = 13,946.49 : x
  2. Step 2: Convert to fraction form
    31,480.83/47,229.41 = 13,946.49/x
  3. Step 3: Cross multiply
    31,480.83x = 47,229.41 × 13,946.49
  4. Step 4: Simplify right side
    31,480.83x = 658,684,424.54
  5. Step 5: Solve for x
    x = 658,684,424.54/31,480.83
  6. Step 6: Final answer
    x = 20,923.35

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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.