Home / 30,835.80-46,233.45-12,104.55

Finding the Fourth Proportional to 30,835.80, 46,233.45 and 12,104.55

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Solution

The fourth proportional to 30,835.80, 46,233.45 and 12,104.55 is: 18,148.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,835.80 : 46,233.45 = 12,104.55 : x
  2. Step 2: Convert to fraction form
    30,835.80/46,233.45 = 12,104.55/x
  3. Step 3: Cross multiply
    30,835.80x = 46,233.45 × 12,104.55
  4. Step 4: Simplify right side
    30,835.80x = 559,635,107.20
  5. Step 5: Solve for x
    x = 559,635,107.20/30,835.80
  6. Step 6: Final answer
    x = 18,148.88

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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.