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Finding the Fourth Proportional to 34,858.54, 48,103.22 and 19,750.32

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Solution

The fourth proportional to 34,858.54, 48,103.22 and 19,750.32 is: 27,254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,858.54 : 48,103.22 = 19,750.32 : x
  2. Step 2: Convert to fraction form
    34,858.54/48,103.22 = 19,750.32/x
  3. Step 3: Cross multiply
    34,858.54x = 48,103.22 × 19,750.32
  4. Step 4: Simplify right side
    34,858.54x = 950,053,988.03
  5. Step 5: Solve for x
    x = 950,053,988.03/34,858.54
  6. Step 6: Final answer
    x = 27,254.55

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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.