Home / 30,106.44-45,115.92-16,891.47

Finding the Fourth Proportional to 30,106.44, 45,115.92 and 16,891.47

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Solution

The fourth proportional to 30,106.44, 45,115.92 and 16,891.47 is: 25,312.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,106.44 : 45,115.92 = 16,891.47 : x
  2. Step 2: Convert to fraction form
    30,106.44/45,115.92 = 16,891.47/x
  3. Step 3: Cross multiply
    30,106.44x = 45,115.92 × 16,891.47
  4. Step 4: Simplify right side
    30,106.44x = 762,074,209.20
  5. Step 5: Solve for x
    x = 762,074,209.20/30,106.44
  6. Step 6: Final answer
    x = 25,312.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.