Home / 37,351.51-51,543.78-20,355.41

Finding the Fourth Proportional to 37,351.51, 51,543.78 and 20,355.41

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Solution

The fourth proportional to 37,351.51, 51,543.78 and 20,355.41 is: 28,089.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,351.51 : 51,543.78 = 20,355.41 : x
  2. Step 2: Convert to fraction form
    37,351.51/51,543.78 = 20,355.41/x
  3. Step 3: Cross multiply
    37,351.51x = 51,543.78 × 20,355.41
  4. Step 4: Simplify right side
    37,351.51x = 1,049,194,537.44
  5. Step 5: Solve for x
    x = 1,049,194,537.44/37,351.51
  6. Step 6: Final answer
    x = 28,089.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.