Home / 27,900.48-42,042.66-23,078.64

Finding the Fourth Proportional to 27,900.48, 42,042.66 and 23,078.64

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Solution

The fourth proportional to 27,900.48, 42,042.66 and 23,078.64 is: 34,776.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,900.48 : 42,042.66 = 23,078.64 : x
  2. Step 2: Convert to fraction form
    27,900.48/42,042.66 = 23,078.64/x
  3. Step 3: Cross multiply
    27,900.48x = 42,042.66 × 23,078.64
  4. Step 4: Simplify right side
    27,900.48x = 970,287,414.78
  5. Step 5: Solve for x
    x = 970,287,414.78/27,900.48
  6. Step 6: Final answer
    x = 34,776.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.