Home / 57,420.96-79,238.46-31,927.29

Finding the Fourth Proportional to 57,420.96, 79,238.46 and 31,927.29

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Solution

The fourth proportional to 57,420.96, 79,238.46 and 31,927.29 is: 44,058.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,420.96 : 79,238.46 = 31,927.29 : x
  2. Step 2: Convert to fraction form
    57,420.96/79,238.46 = 31,927.29/x
  3. Step 3: Cross multiply
    57,420.96x = 79,238.46 × 31,927.29
  4. Step 4: Simplify right side
    57,420.96x = 2,529,869,291.57
  5. Step 5: Solve for x
    x = 2,529,869,291.57/57,420.96
  6. Step 6: Final answer
    x = 44,058.29

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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.