Home / 55,805.27-83,720.12-18,363.83

Finding the Fourth Proportional to 55,805.27, 83,720.12 and 18,363.83

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Solution

The fourth proportional to 55,805.27, 83,720.12 and 18,363.83 is: 27,549.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,805.27 : 83,720.12 = 18,363.83 : x
  2. Step 2: Convert to fraction form
    55,805.27/83,720.12 = 18,363.83/x
  3. Step 3: Cross multiply
    55,805.27x = 83,720.12 × 18,363.83
  4. Step 4: Simplify right side
    55,805.27x = 1,537,421,540.84
  5. Step 5: Solve for x
    x = 1,537,421,540.84/55,805.27
  6. Step 6: Final answer
    x = 27,549.76

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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.