Home / 38,605.86-57,917.30-21,973.73

Finding the Fourth Proportional to 38,605.86, 57,917.30 and 21,973.73

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Solution

The fourth proportional to 38,605.86, 57,917.30 and 21,973.73 is: 32,965.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,605.86 : 57,917.30 = 21,973.73 : x
  2. Step 2: Convert to fraction form
    38,605.86/57,917.30 = 21,973.73/x
  3. Step 3: Cross multiply
    38,605.86x = 57,917.30 × 21,973.73
  4. Step 4: Simplify right side
    38,605.86x = 1,272,658,713.07
  5. Step 5: Solve for x
    x = 1,272,658,713.07/38,605.86
  6. Step 6: Final answer
    x = 32,965.43

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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.