Home / 33,480.09-50,223.09-12,420.36

Finding the Fourth Proportional to 33,480.09, 50,223.09 and 12,420.36

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Solution

The fourth proportional to 33,480.09, 50,223.09 and 12,420.36 is: 18,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,480.09 : 50,223.09 = 12,420.36 : x
  2. Step 2: Convert to fraction form
    33,480.09/50,223.09 = 12,420.36/x
  3. Step 3: Cross multiply
    33,480.09x = 50,223.09 × 12,420.36
  4. Step 4: Simplify right side
    33,480.09x = 623,788,858.11
  5. Step 5: Solve for x
    x = 623,788,858.11/33,480.09
  6. Step 6: Final answer
    x = 18,631.64

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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.