Home / 37,855.20-52,241.37-21,725.46

Finding the Fourth Proportional to 37,855.20, 52,241.37 and 21,725.46

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Solution

The fourth proportional to 37,855.20, 52,241.37 and 21,725.46 is: 29,981.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,855.20 : 52,241.37 = 21,725.46 : x
  2. Step 2: Convert to fraction form
    37,855.20/52,241.37 = 21,725.46/x
  3. Step 3: Cross multiply
    37,855.20x = 52,241.37 × 21,725.46
  4. Step 4: Simplify right side
    37,855.20x = 1,134,967,685.65
  5. Step 5: Solve for x
    x = 1,134,967,685.65/37,855.20
  6. Step 6: Final answer
    x = 29,981.82

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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.