Home / 54,880.44-82,311.05-15,428.18

Finding the Fourth Proportional to 54,880.44, 82,311.05 and 15,428.18

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Solution

The fourth proportional to 54,880.44, 82,311.05 and 15,428.18 is: 23,139.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,880.44 : 82,311.05 = 15,428.18 : x
  2. Step 2: Convert to fraction form
    54,880.44/82,311.05 = 15,428.18/x
  3. Step 3: Cross multiply
    54,880.44x = 82,311.05 × 15,428.18
  4. Step 4: Simplify right side
    54,880.44x = 1,269,909,206.69
  5. Step 5: Solve for x
    x = 1,269,909,206.69/54,880.44
  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.