Home / 29,827.48-44,755.80-21,118.36

Finding the Fourth Proportional to 29,827.48, 44,755.80 and 21,118.36

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Solution

The fourth proportional to 29,827.48, 44,755.80 and 21,118.36 is: 31,687.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,827.48 : 44,755.80 = 21,118.36 : x
  2. Step 2: Convert to fraction form
    29,827.48/44,755.80 = 21,118.36/x
  3. Step 3: Cross multiply
    29,827.48x = 44,755.80 × 21,118.36
  4. Step 4: Simplify right side
    29,827.48x = 945,169,096.49
  5. Step 5: Solve for x
    x = 945,169,096.49/29,827.48
  6. Step 6: Final answer
    x = 31,687.86

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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.