Home / 45,782.96-68,703.33-19,487.66

Finding the Fourth Proportional to 45,782.96, 68,703.33 and 19,487.66

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Solution

The fourth proportional to 45,782.96, 68,703.33 and 19,487.66 is: 29,243.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,782.96 : 68,703.33 = 19,487.66 : x
  2. Step 2: Convert to fraction form
    45,782.96/68,703.33 = 19,487.66/x
  3. Step 3: Cross multiply
    45,782.96x = 68,703.33 × 19,487.66
  4. Step 4: Simplify right side
    45,782.96x = 1,338,867,135.91
  5. Step 5: Solve for x
    x = 1,338,867,135.91/45,782.96
  6. Step 6: Final answer
    x = 29,243.79

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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.