Home / 54,660.84-75,439.20-30,792.24

Finding the Fourth Proportional to 54,660.84, 75,439.20 and 30,792.24

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Solution

The fourth proportional to 54,660.84, 75,439.20 and 30,792.24 is: 42,497.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,660.84 : 75,439.20 = 30,792.24 : x
  2. Step 2: Convert to fraction form
    54,660.84/75,439.20 = 30,792.24/x
  3. Step 3: Cross multiply
    54,660.84x = 75,439.20 × 30,792.24
  4. Step 4: Simplify right side
    54,660.84x = 2,322,941,951.81
  5. Step 5: Solve for x
    x = 2,322,941,951.81/54,660.84
  6. Step 6: Final answer
    x = 42,497.37

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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.