Home / 36,515.29-54,773.43-12,821.89

Finding the Fourth Proportional to 36,515.29, 54,773.43 and 12,821.89

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Solution

The fourth proportional to 36,515.29, 54,773.43 and 12,821.89 is: 19,233.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,515.29 : 54,773.43 = 12,821.89 : x
  2. Step 2: Convert to fraction form
    36,515.29/54,773.43 = 12,821.89/x
  3. Step 3: Cross multiply
    36,515.29x = 54,773.43 × 12,821.89
  4. Step 4: Simplify right side
    36,515.29x = 702,298,894.38
  5. Step 5: Solve for x
    x = 702,298,894.38/36,515.29
  6. Step 6: Final answer
    x = 19,233.01

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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.