Home / 30,577.14-45,872.19-9,815.22

Finding the Fourth Proportional to 30,577.14, 45,872.19 and 9,815.22

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Solution

The fourth proportional to 30,577.14, 45,872.19 and 9,815.22 is: 14,724.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,577.14 : 45,872.19 = 9,815.22 : x
  2. Step 2: Convert to fraction form
    30,577.14/45,872.19 = 9,815.22/x
  3. Step 3: Cross multiply
    30,577.14x = 45,872.19 × 9,815.22
  4. Step 4: Simplify right side
    30,577.14x = 450,245,636.73
  5. Step 5: Solve for x
    x = 450,245,636.73/30,577.14
  6. Step 6: Final answer
    x = 14,724.91

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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.