Home / 54,401.70-81,606.60-19,336.80

Finding the Fourth Proportional to 54,401.70, 81,606.60 and 19,336.80

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Solution

The fourth proportional to 54,401.70, 81,606.60 and 19,336.80 is: 29,006.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,401.70 : 81,606.60 = 19,336.80 : x
  2. Step 2: Convert to fraction form
    54,401.70/81,606.60 = 19,336.80/x
  3. Step 3: Cross multiply
    54,401.70x = 81,606.60 × 19,336.80
  4. Step 4: Simplify right side
    54,401.70x = 1,578,010,502.88
  5. Step 5: Solve for x
    x = 1,578,010,502.88/54,401.70
  6. Step 6: Final answer
    x = 29,006.64

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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.