Home / 49,640.92-74,461.22-20,058.40

Finding the Fourth Proportional to 49,640.92, 74,461.22 and 20,058.40

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Solution

The fourth proportional to 49,640.92, 74,461.22 and 20,058.40 is: 30,087.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,640.92 : 74,461.22 = 20,058.40 : x
  2. Step 2: Convert to fraction form
    49,640.92/74,461.22 = 20,058.40/x
  3. Step 3: Cross multiply
    49,640.92x = 74,461.22 × 20,058.40
  4. Step 4: Simplify right side
    49,640.92x = 1,493,572,935.25
  5. Step 5: Solve for x
    x = 1,493,572,935.25/49,640.92
  6. Step 6: Final answer
    x = 30,087.54

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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.