Home / 55,239.36-76,232.64-30,090.24

Finding the Fourth Proportional to 55,239.36, 76,232.64 and 30,090.24

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Solution

The fourth proportional to 55,239.36, 76,232.64 and 30,090.24 is: 41,525.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,239.36 : 76,232.64 = 30,090.24 : x
  2. Step 2: Convert to fraction form
    55,239.36/76,232.64 = 30,090.24/x
  3. Step 3: Cross multiply
    55,239.36x = 76,232.64 × 30,090.24
  4. Step 4: Simplify right side
    55,239.36x = 2,293,858,433.43
  5. Step 5: Solve for x
    x = 2,293,858,433.43/55,239.36
  6. Step 6: Final answer
    x = 41,525.80

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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.