Home / 40,448.25-55,822.54-30,221.54

Finding the Fourth Proportional to 40,448.25, 55,822.54 and 30,221.54

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Solution

The fourth proportional to 40,448.25, 55,822.54 and 30,221.54 is: 41,708.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,448.25 : 55,822.54 = 30,221.54 : x
  2. Step 2: Convert to fraction form
    40,448.25/55,822.54 = 30,221.54/x
  3. Step 3: Cross multiply
    40,448.25x = 55,822.54 × 30,221.54
  4. Step 4: Simplify right side
    40,448.25x = 1,687,042,980.18
  5. Step 5: Solve for x
    x = 1,687,042,980.18/40,448.25
  6. Step 6: Final answer
    x = 41,708.67

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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.