Home / 30,327.78-41,842.47-16,896.45

Finding the Fourth Proportional to 30,327.78, 41,842.47 and 16,896.45

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Solution

The fourth proportional to 30,327.78, 41,842.47 and 16,896.45 is: 23,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,327.78 : 41,842.47 = 16,896.45 : x
  2. Step 2: Convert to fraction form
    30,327.78/41,842.47 = 16,896.45/x
  3. Step 3: Cross multiply
    30,327.78x = 41,842.47 × 16,896.45
  4. Step 4: Simplify right side
    30,327.78x = 706,989,202.23
  5. Step 5: Solve for x
    x = 706,989,202.23/30,327.78
  6. Step 6: Final answer
    x = 23,311.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.