Home / 55,587.36-83,383.68-18,147.42

Finding the Fourth Proportional to 55,587.36, 83,383.68 and 18,147.42

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Solution

The fourth proportional to 55,587.36, 83,383.68 and 18,147.42 is: 27,221.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,587.36 : 83,383.68 = 18,147.42 : x
  2. Step 2: Convert to fraction form
    55,587.36/83,383.68 = 18,147.42/x
  3. Step 3: Cross multiply
    55,587.36x = 83,383.68 × 18,147.42
  4. Step 4: Simplify right side
    55,587.36x = 1,513,198,662.11
  5. Step 5: Solve for x
    x = 1,513,198,662.11/55,587.36
  6. Step 6: Final answer
    x = 27,221.99

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1.5x scale

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.