Home / 54,342.20-81,513.30-41,220.20

Finding the Fourth Proportional to 54,342.20, 81,513.30 and 41,220.20

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Solution

The fourth proportional to 54,342.20, 81,513.30 and 41,220.20 is: 61,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,342.20 : 81,513.30 = 41,220.20 : x
  2. Step 2: Convert to fraction form
    54,342.20/81,513.30 = 41,220.20/x
  3. Step 3: Cross multiply
    54,342.20x = 81,513.30 × 41,220.20
  4. Step 4: Simplify right side
    54,342.20x = 3,359,994,528.66
  5. Step 5: Solve for x
    x = 3,359,994,528.66/54,342.20
  6. Step 6: Final answer
    x = 61,830.30

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1.5x scale

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.