Home / 55,587.08-83,381.42-18,147

Finding the Fourth Proportional to 55,587.08, 83,381.42 and 18,147

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Solution

The fourth proportional to 55,587.08, 83,381.42 and 18,147 is: 27,220.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,587.08 : 83,381.42 = 18,147 : x
  2. Step 2: Convert to fraction form
    55,587.08/83,381.42 = 18,147/x
  3. Step 3: Cross multiply
    55,587.08x = 83,381.42 × 18,147
  4. Step 4: Simplify right side
    55,587.08x = 1,513,122,628.74
  5. Step 5: Solve for x
    x = 1,513,122,628.74/55,587.08
  6. Step 6: Final answer
    x = 27,220.76

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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.