Home / 39,318.44-58,949.85-12,656.17

Finding the Fourth Proportional to 39,318.44, 58,949.85 and 12,656.17

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Solution

The fourth proportional to 39,318.44, 58,949.85 and 12,656.17 is: 18,975.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,318.44 : 58,949.85 = 12,656.17 : x
  2. Step 2: Convert to fraction form
    39,318.44/58,949.85 = 12,656.17/x
  3. Step 3: Cross multiply
    39,318.44x = 58,949.85 × 12,656.17
  4. Step 4: Simplify right side
    39,318.44x = 746,079,323.07
  5. Step 5: Solve for x
    x = 746,079,323.07/39,318.44
  6. Step 6: Final answer
    x = 18,975.30

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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.