Home / 49,712.20-74,568.30-16,880.20

Finding the Fourth Proportional to 49,712.20, 74,568.30 and 16,880.20

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Solution

The fourth proportional to 49,712.20, 74,568.30 and 16,880.20 is: 25,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,712.20 : 74,568.30 = 16,880.20 : x
  2. Step 2: Convert to fraction form
    49,712.20/74,568.30 = 16,880.20/x
  3. Step 3: Cross multiply
    49,712.20x = 74,568.30 × 16,880.20
  4. Step 4: Simplify right side
    49,712.20x = 1,258,727,817.66
  5. Step 5: Solve for x
    x = 1,258,727,817.66/49,712.20
  6. Step 6: Final answer
    x = 25,320.30

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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.