Home / 30,247.98-41,742.38-18,308.33

Finding the Fourth Proportional to 30,247.98, 41,742.38 and 18,308.33

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Solution

The fourth proportional to 30,247.98, 41,742.38 and 18,308.33 is: 25,265.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.98 : 41,742.38 = 18,308.33 : x
  2. Step 2: Convert to fraction form
    30,247.98/41,742.38 = 18,308.33/x
  3. Step 3: Cross multiply
    30,247.98x = 41,742.38 × 18,308.33
  4. Step 4: Simplify right side
    30,247.98x = 764,232,967.77
  5. Step 5: Solve for x
    x = 764,232,967.77/30,247.98
  6. Step 6: Final answer
    x = 25,265.59

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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.