Home / 39,485.14-59,230.81-13,189.97

Finding the Fourth Proportional to 39,485.14, 59,230.81 and 13,189.97

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Solution

The fourth proportional to 39,485.14, 59,230.81 and 13,189.97 is: 19,786.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,485.14 : 59,230.81 = 13,189.97 : x
  2. Step 2: Convert to fraction form
    39,485.14/59,230.81 = 13,189.97/x
  3. Step 3: Cross multiply
    39,485.14x = 59,230.81 × 13,189.97
  4. Step 4: Simplify right side
    39,485.14x = 781,252,771.54
  5. Step 5: Solve for x
    x = 781,252,771.54/39,485.14
  6. Step 6: Final answer
    x = 19,786.00

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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.