Home / 54,381.66-81,555.21-36,963.42

Finding the Fourth Proportional to 54,381.66, 81,555.21 and 36,963.42

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Solution

The fourth proportional to 54,381.66, 81,555.21 and 36,963.42 is: 55,433.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,381.66 : 81,555.21 = 36,963.42 : x
  2. Step 2: Convert to fraction form
    54,381.66/81,555.21 = 36,963.42/x
  3. Step 3: Cross multiply
    54,381.66x = 81,555.21 × 36,963.42
  4. Step 4: Simplify right side
    54,381.66x = 3,014,559,480.42
  5. Step 5: Solve for x
    x = 3,014,559,480.42/54,381.66
  6. Step 6: Final answer
    x = 55,433.38

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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.