Home / 29,443.22-44,139.87-12,790.70

Finding the Fourth Proportional to 29,443.22, 44,139.87 and 12,790.70

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Solution

The fourth proportional to 29,443.22, 44,139.87 and 12,790.70 is: 19,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,443.22 : 44,139.87 = 12,790.70 : x
  2. Step 2: Convert to fraction form
    29,443.22/44,139.87 = 12,790.70/x
  3. Step 3: Cross multiply
    29,443.22x = 44,139.87 × 12,790.70
  4. Step 4: Simplify right side
    29,443.22x = 564,579,835.21
  5. Step 5: Solve for x
    x = 564,579,835.21/29,443.22
  6. Step 6: Final answer
    x = 19,175.21

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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.