Home / 42,261.21-58,321.87-23,141.79

Finding the Fourth Proportional to 42,261.21, 58,321.87 and 23,141.79

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Solution

The fourth proportional to 42,261.21, 58,321.87 and 23,141.79 is: 31,936.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,261.21 : 58,321.87 = 23,141.79 : x
  2. Step 2: Convert to fraction form
    42,261.21/58,321.87 = 23,141.79/x
  3. Step 3: Cross multiply
    42,261.21x = 58,321.87 × 23,141.79
  4. Step 4: Simplify right side
    42,261.21x = 1,349,672,459.73
  5. Step 5: Solve for x
    x = 1,349,672,459.73/42,261.21
  6. Step 6: Final answer
    x = 31,936.44

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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.