Home / 50,709.44-76,023.08-21,149.36

Finding the Fourth Proportional to 50,709.44, 76,023.08 and 21,149.36

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Solution

The fourth proportional to 50,709.44, 76,023.08 and 21,149.36 is: 31,706.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,709.44 : 76,023.08 = 21,149.36 : x
  2. Step 2: Convert to fraction form
    50,709.44/76,023.08 = 21,149.36/x
  3. Step 3: Cross multiply
    50,709.44x = 76,023.08 × 21,149.36
  4. Step 4: Simplify right side
    50,709.44x = 1,607,839,487.23
  5. Step 5: Solve for x
    x = 1,607,839,487.23/50,709.44
  6. Step 6: Final answer
    x = 31,706.91

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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.