Home / 31,906.04-47,829.49-14,127.23

Finding the Fourth Proportional to 31,906.04, 47,829.49 and 14,127.23

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Solution

The fourth proportional to 31,906.04, 47,829.49 and 14,127.23 is: 21,177.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,906.04 : 47,829.49 = 14,127.23 : x
  2. Step 2: Convert to fraction form
    31,906.04/47,829.49 = 14,127.23/x
  3. Step 3: Cross multiply
    31,906.04x = 47,829.49 × 14,127.23
  4. Step 4: Simplify right side
    31,906.04x = 675,698,290.27
  5. Step 5: Solve for x
    x = 675,698,290.27/31,906.04
  6. Step 6: Final answer
    x = 21,177.75

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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.