Home / 30,858.92-46,290.18-8,674.02

Finding the Fourth Proportional to 30,858.92, 46,290.18 and 8,674.02

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Solution

The fourth proportional to 30,858.92, 46,290.18 and 8,674.02 is: 13,011.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,858.92 : 46,290.18 = 8,674.02 : x
  2. Step 2: Convert to fraction form
    30,858.92/46,290.18 = 8,674.02/x
  3. Step 3: Cross multiply
    30,858.92x = 46,290.18 × 8,674.02
  4. Step 4: Simplify right side
    30,858.92x = 401,521,947.12
  5. Step 5: Solve for x
    x = 401,521,947.12/30,858.92
  6. Step 6: Final answer
    x = 13,011.54

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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.