Home / 31,976.93-47,938.04-12,269.63

Finding the Fourth Proportional to 31,976.93, 47,938.04 and 12,269.63

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Solution

The fourth proportional to 31,976.93, 47,938.04 and 12,269.63 is: 18,393.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,976.93 : 47,938.04 = 12,269.63 : x
  2. Step 2: Convert to fraction form
    31,976.93/47,938.04 = 12,269.63/x
  3. Step 3: Cross multiply
    31,976.93x = 47,938.04 × 12,269.63
  4. Step 4: Simplify right side
    31,976.93x = 588,181,712.69
  5. Step 5: Solve for x
    x = 588,181,712.69/31,976.93
  6. Step 6: Final answer
    x = 18,393.94

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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.