Home / 41,359.96-57,108.78-31,784.68

Finding the Fourth Proportional to 41,359.96, 57,108.78 and 31,784.68

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Solution

The fourth proportional to 41,359.96, 57,108.78 and 31,784.68 is: 43,887.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,359.96 : 57,108.78 = 31,784.68 : x
  2. Step 2: Convert to fraction form
    41,359.96/57,108.78 = 31,784.68/x
  3. Step 3: Cross multiply
    41,359.96x = 57,108.78 × 31,784.68
  4. Step 4: Simplify right side
    41,359.96x = 1,815,184,297.49
  5. Step 5: Solve for x
    x = 1,815,184,297.49/41,359.96
  6. Step 6: Final answer
    x = 43,887.48

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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.