Home / 55,767.82-83,664.90-18,328

Finding the Fourth Proportional to 55,767.82, 83,664.90 and 18,328

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Solution

The fourth proportional to 55,767.82, 83,664.90 and 18,328 is: 27,496.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,767.82 : 83,664.90 = 18,328 : x
  2. Step 2: Convert to fraction form
    55,767.82/83,664.90 = 18,328/x
  3. Step 3: Cross multiply
    55,767.82x = 83,664.90 × 18,328
  4. Step 4: Simplify right side
    55,767.82x = 1,533,410,287.20
  5. Step 5: Solve for x
    x = 1,533,410,287.20/55,767.82
  6. Step 6: Final answer
    x = 27,496.33

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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.