Home / 30,249.64-41,733.40-18,308.60

Finding the Fourth Proportional to 30,249.64, 41,733.40 and 18,308.60

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Solution

The fourth proportional to 30,249.64, 41,733.40 and 18,308.60 is: 25,259.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,249.64 : 41,733.40 = 18,308.60 : x
  2. Step 2: Convert to fraction form
    30,249.64/41,733.40 = 18,308.60/x
  3. Step 3: Cross multiply
    30,249.64x = 41,733.40 × 18,308.60
  4. Step 4: Simplify right side
    30,249.64x = 764,080,127.24
  5. Step 5: Solve for x
    x = 764,080,127.24/30,249.64
  6. Step 6: Final answer
    x = 25,259.15

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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.