Home / 50,857.68-76,315.68-19,695.36

Finding the Fourth Proportional to 50,857.68, 76,315.68 and 19,695.36

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Solution

The fourth proportional to 50,857.68, 76,315.68 and 19,695.36 is: 29,554.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,857.68 : 76,315.68 = 19,695.36 : x
  2. Step 2: Convert to fraction form
    50,857.68/76,315.68 = 19,695.36/x
  3. Step 3: Cross multiply
    50,857.68x = 76,315.68 × 19,695.36
  4. Step 4: Simplify right side
    50,857.68x = 1,503,064,791.24
  5. Step 5: Solve for x
    x = 1,503,064,791.24/50,857.68
  6. Step 6: Final answer
    x = 29,554.33

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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.