Home / 39,656.45-59,431.83-20,932.09

Finding the Fourth Proportional to 39,656.45, 59,431.83 and 20,932.09

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Solution

The fourth proportional to 39,656.45, 59,431.83 and 20,932.09 is: 31,370.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,656.45 : 59,431.83 = 20,932.09 : x
  2. Step 2: Convert to fraction form
    39,656.45/59,431.83 = 20,932.09/x
  3. Step 3: Cross multiply
    39,656.45x = 59,431.83 × 20,932.09
  4. Step 4: Simplify right side
    39,656.45x = 1,244,032,187.35
  5. Step 5: Solve for x
    x = 1,244,032,187.35/39,656.45
  6. Step 6: Final answer
    x = 31,370.23

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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.