Home / 55,640.48-83,479.36-18,202.28

Finding the Fourth Proportional to 55,640.48, 83,479.36 and 18,202.28

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Solution

The fourth proportional to 55,640.48, 83,479.36 and 18,202.28 is: 27,309.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,640.48 : 83,479.36 = 18,202.28 : x
  2. Step 2: Convert to fraction form
    55,640.48/83,479.36 = 18,202.28/x
  3. Step 3: Cross multiply
    55,640.48x = 83,479.36 × 18,202.28
  4. Step 4: Simplify right side
    55,640.48x = 1,519,514,684.94
  5. Step 5: Solve for x
    x = 1,519,514,684.94/55,640.48
  6. Step 6: Final answer
    x = 27,309.52

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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.