Home / 37,522.88-51,779.40-20,523.72

Finding the Fourth Proportional to 37,522.88, 51,779.40 and 20,523.72

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Solution

The fourth proportional to 37,522.88, 51,779.40 and 20,523.72 is: 28,321.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,522.88 : 51,779.40 = 20,523.72 : x
  2. Step 2: Convert to fraction form
    37,522.88/51,779.40 = 20,523.72/x
  3. Step 3: Cross multiply
    37,522.88x = 51,779.40 × 20,523.72
  4. Step 4: Simplify right side
    37,522.88x = 1,062,705,907.37
  5. Step 5: Solve for x
    x = 1,062,705,907.37/37,522.88
  6. Step 6: Final answer
    x = 28,321.54

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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.