Home / 33,398.21-50,115.75-18,615.45

Finding the Fourth Proportional to 33,398.21, 50,115.75 and 18,615.45

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Solution

The fourth proportional to 33,398.21, 50,115.75 and 18,615.45 is: 27,933.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,398.21 : 50,115.75 = 18,615.45 : x
  2. Step 2: Convert to fraction form
    33,398.21/50,115.75 = 18,615.45/x
  3. Step 3: Cross multiply
    33,398.21x = 50,115.75 × 18,615.45
  4. Step 4: Simplify right side
    33,398.21x = 932,927,238.34
  5. Step 5: Solve for x
    x = 932,927,238.34/33,398.21
  6. Step 6: Final answer
    x = 27,933.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.