Home / 37,675.08-51,989.58-20,907

Finding the Fourth Proportional to 37,675.08, 51,989.58 and 20,907

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Solution

The fourth proportional to 37,675.08, 51,989.58 and 20,907 is: 28,850.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,675.08 : 51,989.58 = 20,907 : x
  2. Step 2: Convert to fraction form
    37,675.08/51,989.58 = 20,907/x
  3. Step 3: Cross multiply
    37,675.08x = 51,989.58 × 20,907
  4. Step 4: Simplify right side
    37,675.08x = 1,086,946,149.06
  5. Step 5: Solve for x
    x = 1,086,946,149.06/37,675.08
  6. Step 6: Final answer
    x = 28,850.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.