Home / 30,880.44-46,327.20-11,905.56

Finding the Fourth Proportional to 30,880.44, 46,327.20 and 11,905.56

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Solution

The fourth proportional to 30,880.44, 46,327.20 and 11,905.56 is: 17,860.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,880.44 : 46,327.20 = 11,905.56 : x
  2. Step 2: Convert to fraction form
    30,880.44/46,327.20 = 11,905.56/x
  3. Step 3: Cross multiply
    30,880.44x = 46,327.20 × 11,905.56
  4. Step 4: Simplify right side
    30,880.44x = 551,551,259.23
  5. Step 5: Solve for x
    x = 551,551,259.23/30,880.44
  6. Step 6: Final answer
    x = 17,860.86

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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.