Home / 50,956.36-76,417.26-19,358.80

Finding the Fourth Proportional to 50,956.36, 76,417.26 and 19,358.80

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Solution

The fourth proportional to 50,956.36, 76,417.26 and 19,358.80 is: 29,031.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,956.36 : 76,417.26 = 19,358.80 : x
  2. Step 2: Convert to fraction form
    50,956.36/76,417.26 = 19,358.80/x
  3. Step 3: Cross multiply
    50,956.36x = 76,417.26 × 19,358.80
  4. Step 4: Simplify right side
    50,956.36x = 1,479,346,452.89
  5. Step 5: Solve for x
    x = 1,479,346,452.89/50,956.36
  6. Step 6: Final answer
    x = 29,031.64

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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.