Home / 43,209.52-64,809.78-13,626.52

Finding the Fourth Proportional to 43,209.52, 64,809.78 and 13,626.52

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Solution

The fourth proportional to 43,209.52, 64,809.78 and 13,626.52 is: 20,438.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,209.52 : 64,809.78 = 13,626.52 : x
  2. Step 2: Convert to fraction form
    43,209.52/64,809.78 = 13,626.52/x
  3. Step 3: Cross multiply
    43,209.52x = 64,809.78 × 13,626.52
  4. Step 4: Simplify right side
    43,209.52x = 883,131,763.37
  5. Step 5: Solve for x
    x = 883,131,763.37/43,209.52
  6. Step 6: Final answer
    x = 20,438.36

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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.