Home / 30,848.50-46,255.25-12,118.31

Finding the Fourth Proportional to 30,848.50, 46,255.25 and 12,118.31

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Solution

The fourth proportional to 30,848.50, 46,255.25 and 12,118.31 is: 18,170.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,848.50 : 46,255.25 = 12,118.31 : x
  2. Step 2: Convert to fraction form
    30,848.50/46,255.25 = 12,118.31/x
  3. Step 3: Cross multiply
    30,848.50x = 46,255.25 × 12,118.31
  4. Step 4: Simplify right side
    30,848.50x = 560,535,431.10
  5. Step 5: Solve for x
    x = 560,535,431.10/30,848.50
  6. Step 6: Final answer
    x = 18,170.59

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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.