Home / 57,792.44-86,713.70-20,379.24

Finding the Fourth Proportional to 57,792.44, 86,713.70 and 20,379.24

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Solution

The fourth proportional to 57,792.44, 86,713.70 and 20,379.24 is: 30,577.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,792.44 : 86,713.70 = 20,379.24 : x
  2. Step 2: Convert to fraction form
    57,792.44/86,713.70 = 20,379.24/x
  3. Step 3: Cross multiply
    57,792.44x = 86,713.70 × 20,379.24
  4. Step 4: Simplify right side
    57,792.44x = 1,767,159,201.69
  5. Step 5: Solve for x
    x = 1,767,159,201.69/57,792.44
  6. Step 6: Final answer
    x = 30,577.69

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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.