Home / 54,880.43-82,311.05-15,428.17

Finding the Fourth Proportional to 54,880.43, 82,311.05 and 15,428.17

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Solution

The fourth proportional to 54,880.43, 82,311.05 and 15,428.17 is: 23,139.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,880.43 : 82,311.05 = 15,428.17 : x
  2. Step 2: Convert to fraction form
    54,880.43/82,311.05 = 15,428.17/x
  3. Step 3: Cross multiply
    54,880.43x = 82,311.05 × 15,428.17
  4. Step 4: Simplify right side
    54,880.43x = 1,269,908,872.28
  5. Step 5: Solve for x
    x = 1,269,908,872.28/54,880.43
  6. Step 6: Final answer
    x = 23,139.56

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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.