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Finding the Fourth Proportional to 35,290.82, 48,701.94 and 19,375.94

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Solution

The fourth proportional to 35,290.82, 48,701.94 and 19,375.94 is: 26,739.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,290.82 : 48,701.94 = 19,375.94 : x
  2. Step 2: Convert to fraction form
    35,290.82/48,701.94 = 19,375.94/x
  3. Step 3: Cross multiply
    35,290.82x = 48,701.94 × 19,375.94
  4. Step 4: Simplify right side
    35,290.82x = 943,645,867.32
  5. Step 5: Solve for x
    x = 943,645,867.32/35,290.82
  6. Step 6: Final answer
    x = 26,739.13

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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.