Home / 31,056.21-46,585.80-8,872.80

Finding the Fourth Proportional to 31,056.21, 46,585.80 and 8,872.80

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Solution

The fourth proportional to 31,056.21, 46,585.80 and 8,872.80 is: 13,309.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,056.21 : 46,585.80 = 8,872.80 : x
  2. Step 2: Convert to fraction form
    31,056.21/46,585.80 = 8,872.80/x
  3. Step 3: Cross multiply
    31,056.21x = 46,585.80 × 8,872.80
  4. Step 4: Simplify right side
    31,056.21x = 413,346,486.24
  5. Step 5: Solve for x
    x = 413,346,486.24/31,056.21
  6. Step 6: Final answer
    x = 13,309.62

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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.