Home / 43,718.84-65,578.26-20,317.94

Finding the Fourth Proportional to 43,718.84, 65,578.26 and 20,317.94

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Solution

The fourth proportional to 43,718.84, 65,578.26 and 20,317.94 is: 30,476.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,718.84 : 65,578.26 = 20,317.94 : x
  2. Step 2: Convert to fraction form
    43,718.84/65,578.26 = 20,317.94/x
  3. Step 3: Cross multiply
    43,718.84x = 65,578.26 × 20,317.94
  4. Step 4: Simplify right side
    43,718.84x = 1,332,415,151.98
  5. Step 5: Solve for x
    x = 1,332,415,151.98/43,718.84
  6. Step 6: Final answer
    x = 30,476.91

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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.