Home / 37,405.25-51,620.33-20,639.33

Finding the Fourth Proportional to 37,405.25, 51,620.33 and 20,639.33

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Solution

The fourth proportional to 37,405.25, 51,620.33 and 20,639.33 is: 28,482.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,405.25 : 51,620.33 = 20,639.33 : x
  2. Step 2: Convert to fraction form
    37,405.25/51,620.33 = 20,639.33/x
  3. Step 3: Cross multiply
    37,405.25x = 51,620.33 × 20,639.33
  4. Step 4: Simplify right side
    37,405.25x = 1,065,408,922.38
  5. Step 5: Solve for x
    x = 1,065,408,922.38/37,405.25
  6. Step 6: Final answer
    x = 28,482.87

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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.