Home / 30,503.54-42,078.66-25,167.26

Finding the Fourth Proportional to 30,503.54, 42,078.66 and 25,167.26

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Solution

The fourth proportional to 30,503.54, 42,078.66 and 25,167.26 is: 34,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,503.54 : 42,078.66 = 25,167.26 : x
  2. Step 2: Convert to fraction form
    30,503.54/42,078.66 = 25,167.26/x
  3. Step 3: Cross multiply
    30,503.54x = 42,078.66 × 25,167.26
  4. Step 4: Simplify right side
    30,503.54x = 1,059,004,576.67
  5. Step 5: Solve for x
    x = 1,059,004,576.67/30,503.54
  6. Step 6: Final answer
    x = 34,717.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.