Home / 31,480.92-47,237.76-13,946.63

Finding the Fourth Proportional to 31,480.92, 47,237.76 and 13,946.63

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Solution

The fourth proportional to 31,480.92, 47,237.76 and 13,946.63 is: 20,927.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,480.92 : 47,237.76 = 13,946.63 : x
  2. Step 2: Convert to fraction form
    31,480.92/47,237.76 = 13,946.63/x
  3. Step 3: Cross multiply
    31,480.92x = 47,237.76 × 13,946.63
  4. Step 4: Simplify right side
    31,480.92x = 658,807,324.56
  5. Step 5: Solve for x
    x = 658,807,324.56/31,480.92
  6. Step 6: Final answer
    x = 20,927.19

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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.