Home / 30,683.61-46,043.64-11,965.62

Finding the Fourth Proportional to 30,683.61, 46,043.64 and 11,965.62

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Solution

The fourth proportional to 30,683.61, 46,043.64 and 11,965.62 is: 17,955.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,683.61 : 46,043.64 = 11,965.62 : x
  2. Step 2: Convert to fraction form
    30,683.61/46,043.64 = 11,965.62/x
  3. Step 3: Cross multiply
    30,683.61x = 46,043.64 × 11,965.62
  4. Step 4: Simplify right side
    30,683.61x = 550,940,872.32
  5. Step 5: Solve for x
    x = 550,940,872.32/30,683.61
  6. Step 6: Final answer
    x = 17,955.54

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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.