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Finding the Fourth Proportional to 34,951.78, 48,235.16 and 19,844.16

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Solution

The fourth proportional to 34,951.78, 48,235.16 and 19,844.16 is: 27,385.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,951.78 : 48,235.16 = 19,844.16 : x
  2. Step 2: Convert to fraction form
    34,951.78/48,235.16 = 19,844.16/x
  3. Step 3: Cross multiply
    34,951.78x = 48,235.16 × 19,844.16
  4. Step 4: Simplify right side
    34,951.78x = 957,186,232.67
  5. Step 5: Solve for x
    x = 957,186,232.67/34,951.78
  6. Step 6: Final answer
    x = 27,385.91

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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.