Home / 29,919.78-44,899.05-11,451.78

Finding the Fourth Proportional to 29,919.78, 44,899.05 and 11,451.78

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Solution

The fourth proportional to 29,919.78, 44,899.05 and 11,451.78 is: 17,185.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,919.78 : 44,899.05 = 11,451.78 : x
  2. Step 2: Convert to fraction form
    29,919.78/44,899.05 = 11,451.78/x
  3. Step 3: Cross multiply
    29,919.78x = 44,899.05 × 11,451.78
  4. Step 4: Simplify right side
    29,919.78x = 514,174,042.81
  5. Step 5: Solve for x
    x = 514,174,042.81/29,919.78
  6. Step 6: Final answer
    x = 17,185.09

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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.