Home / 50,640.96-75,970.35-19,473.78

Finding the Fourth Proportional to 50,640.96, 75,970.35 and 19,473.78

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Solution

The fourth proportional to 50,640.96, 75,970.35 and 19,473.78 is: 29,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,640.96 : 75,970.35 = 19,473.78 : x
  2. Step 2: Convert to fraction form
    50,640.96/75,970.35 = 19,473.78/x
  3. Step 3: Cross multiply
    50,640.96x = 75,970.35 × 19,473.78
  4. Step 4: Simplify right side
    50,640.96x = 1,479,429,882.42
  5. Step 5: Solve for x
    x = 1,479,429,882.42/50,640.96
  6. Step 6: Final answer
    x = 29,214.10

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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.