Home / 37,090.81-51,203.00-21,172.19

Finding the Fourth Proportional to 37,090.81, 51,203.00 and 21,172.19

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Solution

The fourth proportional to 37,090.81, 51,203.00 and 21,172.19 is: 29,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,090.81 : 51,203.00 = 21,172.19 : x
  2. Step 2: Convert to fraction form
    37,090.81/51,203.00 = 21,172.19/x
  3. Step 3: Cross multiply
    37,090.81x = 51,203.00 × 21,172.19
  4. Step 4: Simplify right side
    37,090.81x = 1,084,079,441.49
  5. Step 5: Solve for x
    x = 1,084,079,441.49/37,090.81
  6. Step 6: Final answer
    x = 29,227.71

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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.