Home / 55,866.69-83,782.26-18,419.81

Finding the Fourth Proportional to 55,866.69, 83,782.26 and 18,419.81

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Solution

The fourth proportional to 55,866.69, 83,782.26 and 18,419.81 is: 27,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,866.69 : 83,782.26 = 18,419.81 : x
  2. Step 2: Convert to fraction form
    55,866.69/83,782.26 = 18,419.81/x
  3. Step 3: Cross multiply
    55,866.69x = 83,782.26 × 18,419.81
  4. Step 4: Simplify right side
    55,866.69x = 1,543,252,891.66
  5. Step 5: Solve for x
    x = 1,543,252,891.66/55,866.69
  6. Step 6: Final answer
    x = 27,623.85

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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.