Home / 39,605.88-59,371.91-19,861.37

Finding the Fourth Proportional to 39,605.88, 59,371.91 and 19,861.37

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Solution

The fourth proportional to 39,605.88, 59,371.91 and 19,861.37 is: 29,773.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,605.88 : 59,371.91 = 19,861.37 : x
  2. Step 2: Convert to fraction form
    39,605.88/59,371.91 = 19,861.37/x
  3. Step 3: Cross multiply
    39,605.88x = 59,371.91 × 19,861.37
  4. Step 4: Simplify right side
    39,605.88x = 1,179,207,075.95
  5. Step 5: Solve for x
    x = 1,179,207,075.95/39,605.88
  6. Step 6: Final answer
    x = 29,773.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.