Home / 33,556.08-50,356.80-12,779.04

Finding the Fourth Proportional to 33,556.08, 50,356.80 and 12,779.04

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Solution

The fourth proportional to 33,556.08, 50,356.80 and 12,779.04 is: 19,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,556.08 : 50,356.80 = 12,779.04 : x
  2. Step 2: Convert to fraction form
    33,556.08/50,356.80 = 12,779.04/x
  3. Step 3: Cross multiply
    33,556.08x = 50,356.80 × 12,779.04
  4. Step 4: Simplify right side
    33,556.08x = 643,511,561.47
  5. Step 5: Solve for x
    x = 643,511,561.47/33,556.08
  6. Step 6: Final answer
    x = 19,177.20

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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.