Home / 46,622.16-69,930.36-18,919.44

Finding the Fourth Proportional to 46,622.16, 69,930.36 and 18,919.44

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Solution

The fourth proportional to 46,622.16, 69,930.36 and 18,919.44 is: 28,377.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,622.16 : 69,930.36 = 18,919.44 : x
  2. Step 2: Convert to fraction form
    46,622.16/69,930.36 = 18,919.44/x
  3. Step 3: Cross multiply
    46,622.16x = 69,930.36 × 18,919.44
  4. Step 4: Simplify right side
    46,622.16x = 1,323,043,250.20
  5. Step 5: Solve for x
    x = 1,323,043,250.20/46,622.16
  6. Step 6: Final answer
    x = 28,377.99

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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.