Home / 45,912.81-68,880.27-19,244.17

Finding the Fourth Proportional to 45,912.81, 68,880.27 and 19,244.17

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Solution

The fourth proportional to 45,912.81, 68,880.27 and 19,244.17 is: 28,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,912.81 : 68,880.27 = 19,244.17 : x
  2. Step 2: Convert to fraction form
    45,912.81/68,880.27 = 19,244.17/x
  3. Step 3: Cross multiply
    45,912.81x = 68,880.27 × 19,244.17
  4. Step 4: Simplify right side
    45,912.81x = 1,325,543,783.79
  5. Step 5: Solve for x
    x = 1,325,543,783.79/45,912.81
  6. Step 6: Final answer
    x = 28,870.89

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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.