Home / 49,904.03-74,879.42-21,820.47

Finding the Fourth Proportional to 49,904.03, 74,879.42 and 21,820.47

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Solution

The fourth proportional to 49,904.03, 74,879.42 and 21,820.47 is: 32,740.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,904.03 : 74,879.42 = 21,820.47 : x
  2. Step 2: Convert to fraction form
    49,904.03/74,879.42 = 21,820.47/x
  3. Step 3: Cross multiply
    49,904.03x = 74,879.42 × 21,820.47
  4. Step 4: Simplify right side
    49,904.03x = 1,633,904,028.63
  5. Step 5: Solve for x
    x = 1,633,904,028.63/49,904.03
  6. Step 6: Final answer
    x = 32,740.93

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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.