Home / 33,779.12-50,647.62-12,718.32

Finding the Fourth Proportional to 33,779.12, 50,647.62 and 12,718.32

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Solution

The fourth proportional to 33,779.12, 50,647.62 and 12,718.32 is: 19,069.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,779.12 : 50,647.62 = 12,718.32 : x
  2. Step 2: Convert to fraction form
    33,779.12/50,647.62 = 12,718.32/x
  3. Step 3: Cross multiply
    33,779.12x = 50,647.62 × 12,718.32
  4. Step 4: Simplify right side
    33,779.12x = 644,152,638.40
  5. Step 5: Solve for x
    x = 644,152,638.40/33,779.12
  6. Step 6: Final answer
    x = 19,069.55

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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.