Home / 30,857.48-46,282.60-8,672.74

Finding the Fourth Proportional to 30,857.48, 46,282.60 and 8,672.74

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Solution

The fourth proportional to 30,857.48, 46,282.60 and 8,672.74 is: 13,008.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,857.48 : 46,282.60 = 8,672.74 : x
  2. Step 2: Convert to fraction form
    30,857.48/46,282.60 = 8,672.74/x
  3. Step 3: Cross multiply
    30,857.48x = 46,282.60 × 8,672.74
  4. Step 4: Simplify right side
    30,857.48x = 401,396,956.32
  5. Step 5: Solve for x
    x = 401,396,956.32/30,857.48
  6. Step 6: Final answer
    x = 13,008.09

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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.