Home / 39,871.98-59,844.96-20,164.50

Finding the Fourth Proportional to 39,871.98, 59,844.96 and 20,164.50

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Solution

The fourth proportional to 39,871.98, 59,844.96 and 20,164.50 is: 30,265.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,871.98 : 59,844.96 = 20,164.50 : x
  2. Step 2: Convert to fraction form
    39,871.98/59,844.96 = 20,164.50/x
  3. Step 3: Cross multiply
    39,871.98x = 59,844.96 × 20,164.50
  4. Step 4: Simplify right side
    39,871.98x = 1,206,743,695.92
  5. Step 5: Solve for x
    x = 1,206,743,695.92/39,871.98
  6. Step 6: Final answer
    x = 30,265.46

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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.