Home / 40,494.72-60,747.84-19,704

Finding the Fourth Proportional to 40,494.72, 60,747.84 and 19,704

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Solution

The fourth proportional to 40,494.72, 60,747.84 and 19,704 is: 29,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,494.72 : 60,747.84 = 19,704 : x
  2. Step 2: Convert to fraction form
    40,494.72/60,747.84 = 19,704/x
  3. Step 3: Cross multiply
    40,494.72x = 60,747.84 × 19,704
  4. Step 4: Simplify right side
    40,494.72x = 1,196,975,439.36
  5. Step 5: Solve for x
    x = 1,196,975,439.36/40,494.72
  6. Step 6: Final answer
    x = 29,558.80

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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.