Home / 41,881.48-57,847.74-31,318.12

Finding the Fourth Proportional to 41,881.48, 57,847.74 and 31,318.12

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Solution

The fourth proportional to 41,881.48, 57,847.74 and 31,318.12 is: 43,257.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,881.48 : 57,847.74 = 31,318.12 : x
  2. Step 2: Convert to fraction form
    41,881.48/57,847.74 = 31,318.12/x
  3. Step 3: Cross multiply
    41,881.48x = 57,847.74 × 31,318.12
  4. Step 4: Simplify right side
    41,881.48x = 1,811,682,463.05
  5. Step 5: Solve for x
    x = 1,811,682,463.05/41,881.48
  6. Step 6: Final answer
    x = 43,257.36

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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.