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Finding the Fourth Proportional to 30,891.62, 45,940.03 and 29,907.47

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Solution

The fourth proportional to 30,891.62, 45,940.03 and 29,907.47 is: 44,476.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,891.62 : 45,940.03 = 29,907.47 : x
  2. Step 2: Convert to fraction form
    30,891.62/45,940.03 = 29,907.47/x
  3. Step 3: Cross multiply
    30,891.62x = 45,940.03 × 29,907.47
  4. Step 4: Simplify right side
    30,891.62x = 1,373,949,919.49
  5. Step 5: Solve for x
    x = 1,373,949,919.49/30,891.62
  6. Step 6: Final answer
    x = 44,476.46

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1.5x scale

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.