Home / 38,606.55-57,943.05-21,999.93

Finding the Fourth Proportional to 38,606.55, 57,943.05 and 21,999.93

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Solution

The fourth proportional to 38,606.55, 57,943.05 and 21,999.93 is: 33,018.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,606.55 : 57,943.05 = 21,999.93 : x
  2. Step 2: Convert to fraction form
    38,606.55/57,943.05 = 21,999.93/x
  3. Step 3: Cross multiply
    38,606.55x = 57,943.05 × 21,999.93
  4. Step 4: Simplify right side
    38,606.55x = 1,274,743,043.99
  5. Step 5: Solve for x
    x = 1,274,743,043.99/38,606.55
  6. Step 6: Final answer
    x = 33,018.83

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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.