Home / 49,393.13-74,131.61-19,830.96

Finding the Fourth Proportional to 49,393.13, 74,131.61 and 19,830.96

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Solution

The fourth proportional to 49,393.13, 74,131.61 and 19,830.96 is: 29,763.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,393.13 : 74,131.61 = 19,830.96 : x
  2. Step 2: Convert to fraction form
    49,393.13/74,131.61 = 19,830.96/x
  3. Step 3: Cross multiply
    49,393.13x = 74,131.61 × 19,830.96
  4. Step 4: Simplify right side
    49,393.13x = 1,470,100,893.49
  5. Step 5: Solve for x
    x = 1,470,100,893.49/49,393.13
  6. Step 6: Final answer
    x = 29,763.27

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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.