Home / 57,421.27-79,241.43-31,927.37

Finding the Fourth Proportional to 57,421.27, 79,241.43 and 31,927.37

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Solution

The fourth proportional to 57,421.27, 79,241.43 and 31,927.37 is: 44,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,421.27 : 79,241.43 = 31,927.37 : x
  2. Step 2: Convert to fraction form
    57,421.27/79,241.43 = 31,927.37/x
  3. Step 3: Cross multiply
    57,421.27x = 79,241.43 × 31,927.37
  4. Step 4: Simplify right side
    57,421.27x = 2,529,970,088.66
  5. Step 5: Solve for x
    x = 2,529,970,088.66/57,421.27
  6. Step 6: Final answer
    x = 44,059.80

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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.