Home / 55,200.87-82,789.70-17,764.29

Finding the Fourth Proportional to 55,200.87, 82,789.70 and 17,764.29

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Solution

The fourth proportional to 55,200.87, 82,789.70 and 17,764.29 is: 26,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,200.87 : 82,789.70 = 17,764.29 : x
  2. Step 2: Convert to fraction form
    55,200.87/82,789.70 = 17,764.29/x
  3. Step 3: Cross multiply
    55,200.87x = 82,789.70 × 17,764.29
  4. Step 4: Simplify right side
    55,200.87x = 1,470,700,150.99
  5. Step 5: Solve for x
    x = 1,470,700,150.99/55,200.87
  6. Step 6: Final answer
    x = 26,642.70

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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.