Home / 30,698.64-46,047.93-12,243.60

Finding the Fourth Proportional to 30,698.64, 46,047.93 and 12,243.60

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Solution

The fourth proportional to 30,698.64, 46,047.93 and 12,243.60 is: 18,365.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,698.64 : 46,047.93 = 12,243.60 : x
  2. Step 2: Convert to fraction form
    30,698.64/46,047.93 = 12,243.60/x
  3. Step 3: Cross multiply
    30,698.64x = 46,047.93 × 12,243.60
  4. Step 4: Simplify right side
    30,698.64x = 563,792,435.75
  5. Step 5: Solve for x
    x = 563,792,435.75/30,698.64
  6. Step 6: Final answer
    x = 18,365.39

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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.