Home / 54,880.38-82,312-17,435.54

Finding the Fourth Proportional to 54,880.38, 82,312 and 17,435.54

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Solution

The fourth proportional to 54,880.38, 82,312 and 17,435.54 is: 26,150.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,880.38 : 82,312 = 17,435.54 : x
  2. Step 2: Convert to fraction form
    54,880.38/82,312 = 17,435.54/x
  3. Step 3: Cross multiply
    54,880.38x = 82,312 × 17,435.54
  4. Step 4: Simplify right side
    54,880.38x = 1,435,154,168.48
  5. Step 5: Solve for x
    x = 1,435,154,168.48/54,880.38
  6. Step 6: Final answer
    x = 26,150.59

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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.