Home / 39,144.21-58,724.82-12,847.95

Finding the Fourth Proportional to 39,144.21, 58,724.82 and 12,847.95

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Solution

The fourth proportional to 39,144.21, 58,724.82 and 12,847.95 is: 19,274.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,144.21 : 58,724.82 = 12,847.95 : x
  2. Step 2: Convert to fraction form
    39,144.21/58,724.82 = 12,847.95/x
  3. Step 3: Cross multiply
    39,144.21x = 58,724.82 × 12,847.95
  4. Step 4: Simplify right side
    39,144.21x = 754,493,551.12
  5. Step 5: Solve for x
    x = 754,493,551.12/39,144.21
  6. Step 6: Final answer
    x = 19,274.72

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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.