Home / 43,178.26-64,774.78-19,806.70

Finding the Fourth Proportional to 43,178.26, 64,774.78 and 19,806.70

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Solution

The fourth proportional to 43,178.26, 64,774.78 and 19,806.70 is: 29,713.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,178.26 : 64,774.78 = 19,806.70 : x
  2. Step 2: Convert to fraction form
    43,178.26/64,774.78 = 19,806.70/x
  3. Step 3: Cross multiply
    43,178.26x = 64,774.78 × 19,806.70
  4. Step 4: Simplify right side
    43,178.26x = 1,282,974,635.03
  5. Step 5: Solve for x
    x = 1,282,974,635.03/43,178.26
  6. Step 6: Final answer
    x = 29,713.44

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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.