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Finding the Fourth Proportional to 35,118.73, 48,463.86 and 19,203.31

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Solution

The fourth proportional to 35,118.73, 48,463.86 and 19,203.31 is: 26,500.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,118.73 : 48,463.86 = 19,203.31 : x
  2. Step 2: Convert to fraction form
    35,118.73/48,463.86 = 19,203.31/x
  3. Step 3: Cross multiply
    35,118.73x = 48,463.86 × 19,203.31
  4. Step 4: Simplify right side
    35,118.73x = 930,666,527.38
  5. Step 5: Solve for x
    x = 930,666,527.38/35,118.73
  6. Step 6: Final answer
    x = 26,500.57

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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.