Home / 42,556.44-63,824.41-18,850.89

Finding the Fourth Proportional to 42,556.44, 63,824.41 and 18,850.89

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Solution

The fourth proportional to 42,556.44, 63,824.41 and 18,850.89 is: 28,271.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,556.44 : 63,824.41 = 18,850.89 : x
  2. Step 2: Convert to fraction form
    42,556.44/63,824.41 = 18,850.89/x
  3. Step 3: Cross multiply
    42,556.44x = 63,824.41 × 18,850.89
  4. Step 4: Simplify right side
    42,556.44x = 1,203,146,932.22
  5. Step 5: Solve for x
    x = 1,203,146,932.22/42,556.44
  6. Step 6: Final answer
    x = 28,271.79

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1.5x scale

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.