Home / 49,556.98-74,303.88-21,078.64

Finding the Fourth Proportional to 49,556.98, 74,303.88 and 21,078.64

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Solution

The fourth proportional to 49,556.98, 74,303.88 and 21,078.64 is: 31,604.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,556.98 : 74,303.88 = 21,078.64 : x
  2. Step 2: Convert to fraction form
    49,556.98/74,303.88 = 21,078.64/x
  3. Step 3: Cross multiply
    49,556.98x = 74,303.88 × 21,078.64
  4. Step 4: Simplify right side
    49,556.98x = 1,566,224,737.12
  5. Step 5: Solve for x
    x = 1,566,224,737.12/49,556.98
  6. Step 6: Final answer
    x = 31,604.52

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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.