Home / 48,812.64-67,361.60-30,888.96

Finding the Fourth Proportional to 48,812.64, 67,361.60 and 30,888.96

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Solution

The fourth proportional to 48,812.64, 67,361.60 and 30,888.96 is: 42,626.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,812.64 : 67,361.60 = 30,888.96 : x
  2. Step 2: Convert to fraction form
    48,812.64/67,361.60 = 30,888.96/x
  3. Step 3: Cross multiply
    48,812.64x = 67,361.60 × 30,888.96
  4. Step 4: Simplify right side
    48,812.64x = 2,080,729,767.94
  5. Step 5: Solve for x
    x = 2,080,729,767.94/48,812.64
  6. Step 6: Final answer
    x = 42,626.86

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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.