Home / 54,334.32-74,991.84-35,438.64

Finding the Fourth Proportional to 54,334.32, 74,991.84 and 35,438.64

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Solution

The fourth proportional to 54,334.32, 74,991.84 and 35,438.64 is: 48,912.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,334.32 : 74,991.84 = 35,438.64 : x
  2. Step 2: Convert to fraction form
    54,334.32/74,991.84 = 35,438.64/x
  3. Step 3: Cross multiply
    54,334.32x = 74,991.84 × 35,438.64
  4. Step 4: Simplify right side
    54,334.32x = 2,657,608,820.70
  5. Step 5: Solve for x
    x = 2,657,608,820.70/54,334.32
  6. Step 6: Final answer
    x = 48,912.16

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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.