Home / 57,166.67-78,889.92-31,675.36

Finding the Fourth Proportional to 57,166.67, 78,889.92 and 31,675.36

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Solution

The fourth proportional to 57,166.67, 78,889.92 and 31,675.36 is: 43,711.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,166.67 : 78,889.92 = 31,675.36 : x
  2. Step 2: Convert to fraction form
    57,166.67/78,889.92 = 31,675.36/x
  3. Step 3: Cross multiply
    57,166.67x = 78,889.92 × 31,675.36
  4. Step 4: Simplify right side
    57,166.67x = 2,498,866,616.37
  5. Step 5: Solve for x
    x = 2,498,866,616.37/57,166.67
  6. Step 6: Final answer
    x = 43,711.95

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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.