Home / 37,179.81-51,316.61-21,273.03

Finding the Fourth Proportional to 37,179.81, 51,316.61 and 21,273.03

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Solution

The fourth proportional to 37,179.81, 51,316.61 and 21,273.03 is: 29,361.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,179.81 : 51,316.61 = 21,273.03 : x
  2. Step 2: Convert to fraction form
    37,179.81/51,316.61 = 21,273.03/x
  3. Step 3: Cross multiply
    37,179.81x = 51,316.61 × 21,273.03
  4. Step 4: Simplify right side
    37,179.81x = 1,091,659,677.66
  5. Step 5: Solve for x
    x = 1,091,659,677.66/37,179.81
  6. Step 6: Final answer
    x = 29,361.63

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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.