Home / 39,955.82-55,139.26-22,050.88

Finding the Fourth Proportional to 39,955.82, 55,139.26 and 22,050.88

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Solution

The fourth proportional to 39,955.82, 55,139.26 and 22,050.88 is: 30,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,955.82 : 55,139.26 = 22,050.88 : x
  2. Step 2: Convert to fraction form
    39,955.82/55,139.26 = 22,050.88/x
  3. Step 3: Cross multiply
    39,955.82x = 55,139.26 × 22,050.88
  4. Step 4: Simplify right side
    39,955.82x = 1,215,869,012.57
  5. Step 5: Solve for x
    x = 1,215,869,012.57/39,955.82
  6. Step 6: Final answer
    x = 30,430.33

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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.