Home / 37,902.45-52,305.60-20,907.30

Finding the Fourth Proportional to 37,902.45, 52,305.60 and 20,907.30

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Solution

The fourth proportional to 37,902.45, 52,305.60 and 20,907.30 is: 28,852.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,902.45 : 52,305.60 = 20,907.30 : x
  2. Step 2: Convert to fraction form
    37,902.45/52,305.60 = 20,907.30/x
  3. Step 3: Cross multiply
    37,902.45x = 52,305.60 × 20,907.30
  4. Step 4: Simplify right side
    37,902.45x = 1,093,568,870.88
  5. Step 5: Solve for x
    x = 1,093,568,870.88/37,902.45
  6. Step 6: Final answer
    x = 28,852.19

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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.