Home / 49,181.40-73,772.10-12,245.40

Finding the Fourth Proportional to 49,181.40, 73,772.10 and 12,245.40

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Solution

The fourth proportional to 49,181.40, 73,772.10 and 12,245.40 is: 18,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,181.40 : 73,772.10 = 12,245.40 : x
  2. Step 2: Convert to fraction form
    49,181.40/73,772.10 = 12,245.40/x
  3. Step 3: Cross multiply
    49,181.40x = 73,772.10 × 12,245.40
  4. Step 4: Simplify right side
    49,181.40x = 903,368,873.34
  5. Step 5: Solve for x
    x = 903,368,873.34/49,181.40
  6. Step 6: Final answer
    x = 18,368.10

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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.