Home / 57,289.49-79,058.31-31,794.37

Finding the Fourth Proportional to 57,289.49, 79,058.31 and 31,794.37

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Solution

The fourth proportional to 57,289.49, 79,058.31 and 31,794.37 is: 43,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,289.49 : 79,058.31 = 31,794.37 : x
  2. Step 2: Convert to fraction form
    57,289.49/79,058.31 = 31,794.37/x
  3. Step 3: Cross multiply
    57,289.49x = 79,058.31 × 31,794.37
  4. Step 4: Simplify right side
    57,289.49x = 2,513,609,099.57
  5. Step 5: Solve for x
    x = 2,513,609,099.57/57,289.49
  6. Step 6: Final answer
    x = 43,875.57

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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.