Home / 55,556.31-83,343.13-18,107.70

Finding the Fourth Proportional to 55,556.31, 83,343.13 and 18,107.70

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Solution

The fourth proportional to 55,556.31, 83,343.13 and 18,107.70 is: 27,164.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,556.31 : 83,343.13 = 18,107.70 : x
  2. Step 2: Convert to fraction form
    55,556.31/83,343.13 = 18,107.70/x
  3. Step 3: Cross multiply
    55,556.31x = 83,343.13 × 18,107.70
  4. Step 4: Simplify right side
    55,556.31x = 1,509,152,395.10
  5. Step 5: Solve for x
    x = 1,509,152,395.10/55,556.31
  6. Step 6: Final answer
    x = 27,164.37

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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.