Home / 55,338-83,006.22-25,739.28

Finding the Fourth Proportional to 55,338, 83,006.22 and 25,739.28

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Solution

The fourth proportional to 55,338, 83,006.22 and 25,739.28 is: 38,608.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,338 : 83,006.22 = 25,739.28 : x
  2. Step 2: Convert to fraction form
    55,338/83,006.22 = 25,739.28/x
  3. Step 3: Cross multiply
    55,338x = 83,006.22 × 25,739.28
  4. Step 4: Simplify right side
    55,338x = 2,136,520,338.32
  5. Step 5: Solve for x
    x = 2,136,520,338.32/55,338
  6. Step 6: Final answer
    x = 38,608.56

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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.