Home / 41,415.96-57,156.44-31,188.69

Finding the Fourth Proportional to 41,415.96, 57,156.44 and 31,188.69

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Solution

The fourth proportional to 41,415.96, 57,156.44 and 31,188.69 is: 43,042.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,415.96 : 57,156.44 = 31,188.69 : x
  2. Step 2: Convert to fraction form
    41,415.96/57,156.44 = 31,188.69/x
  3. Step 3: Cross multiply
    41,415.96x = 57,156.44 × 31,188.69
  4. Step 4: Simplify right side
    41,415.96x = 1,782,634,332.72
  5. Step 5: Solve for x
    x = 1,782,634,332.72/41,415.96
  6. Step 6: Final answer
    x = 43,042.20

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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.