Home / 30,574.04-45,857.97-8,389.64

Finding the Fourth Proportional to 30,574.04, 45,857.97 and 8,389.64

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Solution

The fourth proportional to 30,574.04, 45,857.97 and 8,389.64 is: 12,583.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,574.04 : 45,857.97 = 8,389.64 : x
  2. Step 2: Convert to fraction form
    30,574.04/45,857.97 = 8,389.64/x
  3. Step 3: Cross multiply
    30,574.04x = 45,857.97 × 8,389.64
  4. Step 4: Simplify right side
    30,574.04x = 384,731,630.14
  5. Step 5: Solve for x
    x = 384,731,630.14/30,574.04
  6. Step 6: Final answer
    x = 12,583.61

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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.