Home / 54,874.28-82,311.42-21,576.15

Finding the Fourth Proportional to 54,874.28, 82,311.42 and 21,576.15

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Solution

The fourth proportional to 54,874.28, 82,311.42 and 21,576.15 is: 32,364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,874.28 : 82,311.42 = 21,576.15 : x
  2. Step 2: Convert to fraction form
    54,874.28/82,311.42 = 21,576.15/x
  3. Step 3: Cross multiply
    54,874.28x = 82,311.42 × 21,576.15
  4. Step 4: Simplify right side
    54,874.28x = 1,775,963,544.63
  5. Step 5: Solve for x
    x = 1,775,963,544.63/54,874.28
  6. Step 6: Final answer
    x = 32,364.23

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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.