Home / 40,120.98-55,366.93-22,215.97

Finding the Fourth Proportional to 40,120.98, 55,366.93 and 22,215.97

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Solution

The fourth proportional to 40,120.98, 55,366.93 and 22,215.97 is: 30,658.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,120.98 : 55,366.93 = 22,215.97 : x
  2. Step 2: Convert to fraction form
    40,120.98/55,366.93 = 22,215.97/x
  3. Step 3: Cross multiply
    40,120.98x = 55,366.93 × 22,215.97
  4. Step 4: Simplify right side
    40,120.98x = 1,230,030,055.87
  5. Step 5: Solve for x
    x = 1,230,030,055.87/40,120.98
  6. Step 6: Final answer
    x = 30,658.03

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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.