Home / 39,955.96-55,137.61-22,050.73

Finding the Fourth Proportional to 39,955.96, 55,137.61 and 22,050.73

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Solution

The fourth proportional to 39,955.96, 55,137.61 and 22,050.73 is: 30,429.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,955.96 : 55,137.61 = 22,050.73 : x
  2. Step 2: Convert to fraction form
    39,955.96/55,137.61 = 22,050.73/x
  3. Step 3: Cross multiply
    39,955.96x = 55,137.61 × 22,050.73
  4. Step 4: Simplify right side
    39,955.96x = 1,215,824,647.44
  5. Step 5: Solve for x
    x = 1,215,824,647.44/39,955.96
  6. Step 6: Final answer
    x = 30,429.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.