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Finding the Fourth Proportional to 30,470.84, 42,049.64 and 17,042.04

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Solution

The fourth proportional to 30,470.84, 42,049.64 and 17,042.04 is: 23,517.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,470.84 : 42,049.64 = 17,042.04 : x
  2. Step 2: Convert to fraction form
    30,470.84/42,049.64 = 17,042.04/x
  3. Step 3: Cross multiply
    30,470.84x = 42,049.64 × 17,042.04
  4. Step 4: Simplify right side
    30,470.84x = 716,611,646.87
  5. Step 5: Solve for x
    x = 716,611,646.87/30,470.84
  6. Step 6: Final answer
    x = 23,517.95

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.