Home / 36,461.73-54,653.05-18,667.99

Finding the Fourth Proportional to 36,461.73, 54,653.05 and 18,667.99

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Solution

The fourth proportional to 36,461.73, 54,653.05 and 18,667.99 is: 27,981.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,461.73 : 54,653.05 = 18,667.99 : x
  2. Step 2: Convert to fraction form
    36,461.73/54,653.05 = 18,667.99/x
  3. Step 3: Cross multiply
    36,461.73x = 54,653.05 × 18,667.99
  4. Step 4: Simplify right side
    36,461.73x = 1,020,262,270.09
  5. Step 5: Solve for x
    x = 1,020,262,270.09/36,461.73
  6. Step 6: Final answer
    x = 27,981.73

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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.