Home / 57,396.15-79,202.84-31,900.86

Finding the Fourth Proportional to 57,396.15, 79,202.84 and 31,900.86

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Solution

The fourth proportional to 57,396.15, 79,202.84 and 31,900.86 is: 44,021.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,396.15 : 79,202.84 = 31,900.86 : x
  2. Step 2: Convert to fraction form
    57,396.15/79,202.84 = 31,900.86/x
  3. Step 3: Cross multiply
    57,396.15x = 79,202.84 × 31,900.86
  4. Step 4: Simplify right side
    57,396.15x = 2,526,638,710.44
  5. Step 5: Solve for x
    x = 2,526,638,710.44/57,396.15
  6. Step 6: Final answer
    x = 44,021.05

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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.