Home / 33,172.74-49,779.61-13,451.47

Finding the Fourth Proportional to 33,172.74, 49,779.61 and 13,451.47

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Solution

The fourth proportional to 33,172.74, 49,779.61 and 13,451.47 is: 20,185.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,172.74 : 49,779.61 = 13,451.47 : x
  2. Step 2: Convert to fraction form
    33,172.74/49,779.61 = 13,451.47/x
  3. Step 3: Cross multiply
    33,172.74x = 49,779.61 × 13,451.47
  4. Step 4: Simplify right side
    33,172.74x = 669,608,681.63
  5. Step 5: Solve for x
    x = 669,608,681.63/33,172.74
  6. Step 6: Final answer
    x = 20,185.51

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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.