Home / 49,884.36-74,840.64-20,323.44

Finding the Fourth Proportional to 49,884.36, 74,840.64 and 20,323.44

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Solution

The fourth proportional to 49,884.36, 74,840.64 and 20,323.44 is: 30,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,884.36 : 74,840.64 = 20,323.44 : x
  2. Step 2: Convert to fraction form
    49,884.36/74,840.64 = 20,323.44/x
  3. Step 3: Cross multiply
    49,884.36x = 74,840.64 × 20,323.44
  4. Step 4: Simplify right side
    49,884.36x = 1,521,019,256.60
  5. Step 5: Solve for x
    x = 1,521,019,256.60/49,884.36
  6. Step 6: Final answer
    x = 30,490.90

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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.