Home / 31,757.04-47,640.20-16,957.89

Finding the Fourth Proportional to 31,757.04, 47,640.20 and 16,957.89

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Solution

The fourth proportional to 31,757.04, 47,640.20 and 16,957.89 is: 25,439.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,757.04 : 47,640.20 = 16,957.89 : x
  2. Step 2: Convert to fraction form
    31,757.04/47,640.20 = 16,957.89/x
  3. Step 3: Cross multiply
    31,757.04x = 47,640.20 × 16,957.89
  4. Step 4: Simplify right side
    31,757.04x = 807,877,186.39
  5. Step 5: Solve for x
    x = 807,877,186.39/31,757.04
  6. Step 6: Final answer
    x = 25,439.31

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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.