Home / 50,957.36-76,465.20-19,788.56

Finding the Fourth Proportional to 50,957.36, 76,465.20 and 19,788.56

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Solution

The fourth proportional to 50,957.36, 76,465.20 and 19,788.56 is: 29,694.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,957.36 : 76,465.20 = 19,788.56 : x
  2. Step 2: Convert to fraction form
    50,957.36/76,465.20 = 19,788.56/x
  3. Step 3: Cross multiply
    50,957.36x = 76,465.20 × 19,788.56
  4. Step 4: Simplify right side
    50,957.36x = 1,513,136,198.11
  5. Step 5: Solve for x
    x = 1,513,136,198.11/50,957.36
  6. Step 6: Final answer
    x = 29,694.16

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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.