Home / 30,050.28-45,072.72-7,863.84

Finding the Fourth Proportional to 30,050.28, 45,072.72 and 7,863.84

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Solution

The fourth proportional to 30,050.28, 45,072.72 and 7,863.84 is: 11,795.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,050.28 : 45,072.72 = 7,863.84 : x
  2. Step 2: Convert to fraction form
    30,050.28/45,072.72 = 7,863.84/x
  3. Step 3: Cross multiply
    30,050.28x = 45,072.72 × 7,863.84
  4. Step 4: Simplify right side
    30,050.28x = 354,444,658.44
  5. Step 5: Solve for x
    x = 354,444,658.44/30,050.28
  6. Step 6: Final answer
    x = 11,795.05

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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.