Home / 43,716.84-65,575.26-20,315.94

Finding the Fourth Proportional to 43,716.84, 65,575.26 and 20,315.94

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Solution

The fourth proportional to 43,716.84, 65,575.26 and 20,315.94 is: 30,473.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,716.84 : 65,575.26 = 20,315.94 : x
  2. Step 2: Convert to fraction form
    43,716.84/65,575.26 = 20,315.94/x
  3. Step 3: Cross multiply
    43,716.84x = 65,575.26 × 20,315.94
  4. Step 4: Simplify right side
    43,716.84x = 1,332,223,047.64
  5. Step 5: Solve for x
    x = 1,332,223,047.64/43,716.84
  6. Step 6: Final answer
    x = 30,473.91

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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.