Home / 29,078.49-40,125.27-19,516.44

Finding the Fourth Proportional to 29,078.49, 40,125.27 and 19,516.44

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Solution

The fourth proportional to 29,078.49, 40,125.27 and 19,516.44 is: 26,930.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,078.49 : 40,125.27 = 19,516.44 : x
  2. Step 2: Convert to fraction form
    29,078.49/40,125.27 = 19,516.44/x
  3. Step 3: Cross multiply
    29,078.49x = 40,125.27 × 19,516.44
  4. Step 4: Simplify right side
    29,078.49x = 783,102,648.10
  5. Step 5: Solve for x
    x = 783,102,648.10/29,078.49
  6. Step 6: Final answer
    x = 26,930.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.