Home / 54,340.20-81,510.30-41,218.20

Finding the Fourth Proportional to 54,340.20, 81,510.30 and 41,218.20

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Solution

The fourth proportional to 54,340.20, 81,510.30 and 41,218.20 is: 61,827.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,340.20 : 81,510.30 = 41,218.20 : x
  2. Step 2: Convert to fraction form
    54,340.20/81,510.30 = 41,218.20/x
  3. Step 3: Cross multiply
    54,340.20x = 81,510.30 × 41,218.20
  4. Step 4: Simplify right side
    54,340.20x = 3,359,707,847.46
  5. Step 5: Solve for x
    x = 3,359,707,847.46/54,340.20
  6. Step 6: Final answer
    x = 61,827.30

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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.