Home / 31,976.98-47,957.16-13,262.34

Finding the Fourth Proportional to 31,976.98, 47,957.16 and 13,262.34

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Solution

The fourth proportional to 31,976.98, 47,957.16 and 13,262.34 is: 19,890.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,976.98 : 47,957.16 = 13,262.34 : x
  2. Step 2: Convert to fraction form
    31,976.98/47,957.16 = 13,262.34/x
  3. Step 3: Cross multiply
    31,976.98x = 47,957.16 × 13,262.34
  4. Step 4: Simplify right side
    31,976.98x = 636,024,161.35
  5. Step 5: Solve for x
    x = 636,024,161.35/31,976.98
  6. Step 6: Final answer
    x = 19,890.06

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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.