Home / 45,948.40-68,922.60-18,246.40

Finding the Fourth Proportional to 45,948.40, 68,922.60 and 18,246.40

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Solution

The fourth proportional to 45,948.40, 68,922.60 and 18,246.40 is: 27,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,948.40 : 68,922.60 = 18,246.40 : x
  2. Step 2: Convert to fraction form
    45,948.40/68,922.60 = 18,246.40/x
  3. Step 3: Cross multiply
    45,948.40x = 68,922.60 × 18,246.40
  4. Step 4: Simplify right side
    45,948.40x = 1,257,589,328.64
  5. Step 5: Solve for x
    x = 1,257,589,328.64/45,948.40
  6. Step 6: Final answer
    x = 27,369.60

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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.