Home / 43,212.97-64,819.91-12,048.22

Finding the Fourth Proportional to 43,212.97, 64,819.91 and 12,048.22

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Solution

The fourth proportional to 43,212.97, 64,819.91 and 12,048.22 is: 18,072.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,212.97 : 64,819.91 = 12,048.22 : x
  2. Step 2: Convert to fraction form
    43,212.97/64,819.91 = 12,048.22/x
  3. Step 3: Cross multiply
    43,212.97x = 64,819.91 × 12,048.22
  4. Step 4: Simplify right side
    43,212.97x = 780,964,536.06
  5. Step 5: Solve for x
    x = 780,964,536.06/43,212.97
  6. Step 6: Final answer
    x = 18,072.46

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1.5x scale

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.