Home / 41,415.84-57,156.26-31,188.57

Finding the Fourth Proportional to 41,415.84, 57,156.26 and 31,188.57

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Solution

The fourth proportional to 41,415.84, 57,156.26 and 31,188.57 is: 43,042.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,415.84 : 57,156.26 = 31,188.57 : x
  2. Step 2: Convert to fraction form
    41,415.84/57,156.26 = 31,188.57/x
  3. Step 3: Cross multiply
    41,415.84x = 57,156.26 × 31,188.57
  4. Step 4: Simplify right side
    41,415.84x = 1,782,622,015.95
  5. Step 5: Solve for x
    x = 1,782,622,015.95/41,415.84
  6. Step 6: Final answer
    x = 43,042.03

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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.