Home / 54,267.60-81,389.10-19,207.26

Finding the Fourth Proportional to 54,267.60, 81,389.10 and 19,207.26

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Solution

The fourth proportional to 54,267.60, 81,389.10 and 19,207.26 is: 28,806.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,267.60 : 81,389.10 = 19,207.26 : x
  2. Step 2: Convert to fraction form
    54,267.60/81,389.10 = 19,207.26/x
  3. Step 3: Cross multiply
    54,267.60x = 81,389.10 × 19,207.26
  4. Step 4: Simplify right side
    54,267.60x = 1,563,261,604.87
  5. Step 5: Solve for x
    x = 1,563,261,604.87/54,267.60
  6. Step 6: Final answer
    x = 28,806.54

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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.