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Finding the Fourth Proportional to 35,262.53, 48,662 and 19,129.79

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Solution

The fourth proportional to 35,262.53, 48,662 and 19,129.79 is: 26,398.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,262.53 : 48,662 = 19,129.79 : x
  2. Step 2: Convert to fraction form
    35,262.53/48,662 = 19,129.79/x
  3. Step 3: Cross multiply
    35,262.53x = 48,662 × 19,129.79
  4. Step 4: Simplify right side
    35,262.53x = 930,893,840.98
  5. Step 5: Solve for x
    x = 930,893,840.98/35,262.53
  6. Step 6: Final answer
    x = 26,398.95

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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.