Home / 39,399.69-59,116.87-20,675.33

Finding the Fourth Proportional to 39,399.69, 59,116.87 and 20,675.33

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Solution

The fourth proportional to 39,399.69, 59,116.87 and 20,675.33 is: 31,022.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,399.69 : 59,116.87 = 20,675.33 : x
  2. Step 2: Convert to fraction form
    39,399.69/59,116.87 = 20,675.33/x
  3. Step 3: Cross multiply
    39,399.69x = 59,116.87 × 20,675.33
  4. Step 4: Simplify right side
    39,399.69x = 1,222,260,795.82
  5. Step 5: Solve for x
    x = 1,222,260,795.82/39,399.69
  6. Step 6: Final answer
    x = 31,022.09

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1.5x scale

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.