Home / 40,090.68-55,263.60-30,003.84

Finding the Fourth Proportional to 40,090.68, 55,263.60 and 30,003.84

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Solution

The fourth proportional to 40,090.68, 55,263.60 and 30,003.84 is: 41,359.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090.68 : 55,263.60 = 30,003.84 : x
  2. Step 2: Convert to fraction form
    40,090.68/55,263.60 = 30,003.84/x
  3. Step 3: Cross multiply
    40,090.68x = 55,263.60 × 30,003.84
  4. Step 4: Simplify right side
    40,090.68x = 1,658,120,212.22
  5. Step 5: Solve for x
    x = 1,658,120,212.22/40,090.68
  6. Step 6: Final answer
    x = 41,359.24

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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.