Home / 40,839.84-61,242.21-18,667.17

Finding the Fourth Proportional to 40,839.84, 61,242.21 and 18,667.17

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Solution

The fourth proportional to 40,839.84, 61,242.21 and 18,667.17 is: 27,992.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,839.84 : 61,242.21 = 18,667.17 : x
  2. Step 2: Convert to fraction form
    40,839.84/61,242.21 = 18,667.17/x
  3. Step 3: Cross multiply
    40,839.84x = 61,242.21 × 18,667.17
  4. Step 4: Simplify right side
    40,839.84x = 1,143,218,745.25
  5. Step 5: Solve for x
    x = 1,143,218,745.25/40,839.84
  6. Step 6: Final answer
    x = 27,992.73

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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.