Home / 30,933.30-46,405.23-12,203.55

Finding the Fourth Proportional to 30,933.30, 46,405.23 and 12,203.55

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Solution

The fourth proportional to 30,933.30, 46,405.23 and 12,203.55 is: 18,307.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,933.30 : 46,405.23 = 12,203.55 : x
  2. Step 2: Convert to fraction form
    30,933.30/46,405.23 = 12,203.55/x
  3. Step 3: Cross multiply
    30,933.30x = 46,405.23 × 12,203.55
  4. Step 4: Simplify right side
    30,933.30x = 566,308,544.57
  5. Step 5: Solve for x
    x = 566,308,544.57/30,933.30
  6. Step 6: Final answer
    x = 18,307.41

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1.5x scale

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.