Home / 55,190.83-82,789.32-15,744.79

Finding the Fourth Proportional to 55,190.83, 82,789.32 and 15,744.79

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Solution

The fourth proportional to 55,190.83, 82,789.32 and 15,744.79 is: 23,618.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,190.83 : 82,789.32 = 15,744.79 : x
  2. Step 2: Convert to fraction form
    55,190.83/82,789.32 = 15,744.79/x
  3. Step 3: Cross multiply
    55,190.83x = 82,789.32 × 15,744.79
  4. Step 4: Simplify right side
    55,190.83x = 1,303,500,457.64
  5. Step 5: Solve for x
    x = 1,303,500,457.64/55,190.83
  6. Step 6: Final answer
    x = 23,618.06

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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.