Home / 55,869.33-83,786.00-18,420.69

Finding the Fourth Proportional to 55,869.33, 83,786.00 and 18,420.69

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Solution

The fourth proportional to 55,869.33, 83,786.00 and 18,420.69 is: 27,625.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,869.33 : 83,786.00 = 18,420.69 : x
  2. Step 2: Convert to fraction form
    55,869.33/83,786.00 = 18,420.69/x
  3. Step 3: Cross multiply
    55,869.33x = 83,786.00 × 18,420.69
  4. Step 4: Simplify right side
    55,869.33x = 1,543,395,840.24
  5. Step 5: Solve for x
    x = 1,543,395,840.24/55,869.33
  6. Step 6: Final answer
    x = 27,625.10

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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.