Home / 30,799.20-46,181.13-12,057.30

Finding the Fourth Proportional to 30,799.20, 46,181.13 and 12,057.30

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Solution

The fourth proportional to 30,799.20, 46,181.13 and 12,057.30 is: 18,079.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,799.20 : 46,181.13 = 12,057.30 : x
  2. Step 2: Convert to fraction form
    30,799.20/46,181.13 = 12,057.30/x
  3. Step 3: Cross multiply
    30,799.20x = 46,181.13 × 12,057.30
  4. Step 4: Simplify right side
    30,799.20x = 556,819,738.75
  5. Step 5: Solve for x
    x = 556,819,738.75/30,799.20
  6. Step 6: Final answer
    x = 18,079.03

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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.