Home / 54,520.80-81,792.18-19,459.54

Finding the Fourth Proportional to 54,520.80, 81,792.18 and 19,459.54

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Solution

The fourth proportional to 54,520.80, 81,792.18 and 19,459.54 is: 29,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,520.80 : 81,792.18 = 19,459.54 : x
  2. Step 2: Convert to fraction form
    54,520.80/81,792.18 = 19,459.54/x
  3. Step 3: Cross multiply
    54,520.80x = 81,792.18 × 19,459.54
  4. Step 4: Simplify right side
    54,520.80x = 1,591,638,300.64
  5. Step 5: Solve for x
    x = 1,591,638,300.64/54,520.80
  6. Step 6: Final answer
    x = 29,193.23

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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.