Home / 37,486.68-51,730.09-21,571.70

Finding the Fourth Proportional to 37,486.68, 51,730.09 and 21,571.70

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Solution

The fourth proportional to 37,486.68, 51,730.09 and 21,571.70 is: 29,768.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,486.68 : 51,730.09 = 21,571.70 : x
  2. Step 2: Convert to fraction form
    37,486.68/51,730.09 = 21,571.70/x
  3. Step 3: Cross multiply
    37,486.68x = 51,730.09 × 21,571.70
  4. Step 4: Simplify right side
    37,486.68x = 1,115,905,982.45
  5. Step 5: Solve for x
    x = 1,115,905,982.45/37,486.68
  6. Step 6: Final answer
    x = 29,768.07

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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.