Home / 55,239.36-76,231.80-30,090.48

Finding the Fourth Proportional to 55,239.36, 76,231.80 and 30,090.48

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Solution

The fourth proportional to 55,239.36, 76,231.80 and 30,090.48 is: 41,525.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,239.36 : 76,231.80 = 30,090.48 : x
  2. Step 2: Convert to fraction form
    55,239.36/76,231.80 = 30,090.48/x
  3. Step 3: Cross multiply
    55,239.36x = 76,231.80 × 30,090.48
  4. Step 4: Simplify right side
    55,239.36x = 2,293,851,453.26
  5. Step 5: Solve for x
    x = 2,293,851,453.26/55,239.36
  6. Step 6: Final answer
    x = 41,525.67

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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.