Home / 40,117.21-55,362.18-22,212.54

Finding the Fourth Proportional to 40,117.21, 55,362.18 and 22,212.54

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Solution

The fourth proportional to 40,117.21, 55,362.18 and 22,212.54 is: 30,653.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,117.21 : 55,362.18 = 22,212.54 : x
  2. Step 2: Convert to fraction form
    40,117.21/55,362.18 = 22,212.54/x
  3. Step 3: Cross multiply
    40,117.21x = 55,362.18 × 22,212.54
  4. Step 4: Simplify right side
    40,117.21x = 1,229,734,721.03
  5. Step 5: Solve for x
    x = 1,229,734,721.03/40,117.21
  6. Step 6: Final answer
    x = 30,653.55

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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.