Home / 30,517.42-45,591.16-19,334.62

Finding the Fourth Proportional to 30,517.42, 45,591.16 and 19,334.62

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Solution

The fourth proportional to 30,517.42, 45,591.16 and 19,334.62 is: 28,884.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,517.42 : 45,591.16 = 19,334.62 : x
  2. Step 2: Convert to fraction form
    30,517.42/45,591.16 = 19,334.62/x
  3. Step 3: Cross multiply
    30,517.42x = 45,591.16 × 19,334.62
  4. Step 4: Simplify right side
    30,517.42x = 881,487,753.96
  5. Step 5: Solve for x
    x = 881,487,753.96/30,517.42
  6. Step 6: Final answer
    x = 28,884.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.