Home / 39,974.99-59,896.88-13,665.38

Finding the Fourth Proportional to 39,974.99, 59,896.88 and 13,665.38

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Solution

The fourth proportional to 39,974.99, 59,896.88 and 13,665.38 is: 20,475.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,974.99 : 59,896.88 = 13,665.38 : x
  2. Step 2: Convert to fraction form
    39,974.99/59,896.88 = 13,665.38/x
  3. Step 3: Cross multiply
    39,974.99x = 59,896.88 × 13,665.38
  4. Step 4: Simplify right side
    39,974.99x = 818,513,557.69
  5. Step 5: Solve for x
    x = 818,513,557.69/39,974.99
  6. Step 6: Final answer
    x = 20,475.64

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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.