Home / 38,773.81-58,161.01-21,234.07

Finding the Fourth Proportional to 38,773.81, 58,161.01 and 21,234.07

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Solution

The fourth proportional to 38,773.81, 58,161.01 and 21,234.07 is: 31,851.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,773.81 : 58,161.01 = 21,234.07 : x
  2. Step 2: Convert to fraction form
    38,773.81/58,161.01 = 21,234.07/x
  3. Step 3: Cross multiply
    38,773.81x = 58,161.01 × 21,234.07
  4. Step 4: Simplify right side
    38,773.81x = 1,234,994,759.12
  5. Step 5: Solve for x
    x = 1,234,994,759.12/38,773.81
  6. Step 6: Final answer
    x = 31,851.26

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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.