Home / 30,768.57-46,153.83-9,708.81

Finding the Fourth Proportional to 30,768.57, 46,153.83 and 9,708.81

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Solution

The fourth proportional to 30,768.57, 46,153.83 and 9,708.81 is: 14,563.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,768.57 : 46,153.83 = 9,708.81 : x
  2. Step 2: Convert to fraction form
    30,768.57/46,153.83 = 9,708.81/x
  3. Step 3: Cross multiply
    30,768.57x = 46,153.83 × 9,708.81
  4. Step 4: Simplify right side
    30,768.57x = 448,098,766.24
  5. Step 5: Solve for x
    x = 448,098,766.24/30,768.57
  6. Step 6: Final answer
    x = 14,563.52

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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.