Home / 48,128.78-66,391.06-27,983.44

Finding the Fourth Proportional to 48,128.78, 66,391.06 and 27,983.44

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Solution

The fourth proportional to 48,128.78, 66,391.06 and 27,983.44 is: 38,601.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,128.78 : 66,391.06 = 27,983.44 : x
  2. Step 2: Convert to fraction form
    48,128.78/66,391.06 = 27,983.44/x
  3. Step 3: Cross multiply
    48,128.78x = 66,391.06 × 27,983.44
  4. Step 4: Simplify right side
    48,128.78x = 1,857,850,113.05
  5. Step 5: Solve for x
    x = 1,857,850,113.05/48,128.78
  6. Step 6: Final answer
    x = 38,601.64

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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.