Home / 37,383.75-51,588.90-20,387.43

Finding the Fourth Proportional to 37,383.75, 51,588.90 and 20,387.43

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Solution

The fourth proportional to 37,383.75, 51,588.90 and 20,387.43 is: 28,134.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,383.75 : 51,588.90 = 20,387.43 : x
  2. Step 2: Convert to fraction form
    37,383.75/51,588.90 = 20,387.43/x
  3. Step 3: Cross multiply
    37,383.75x = 51,588.90 × 20,387.43
  4. Step 4: Simplify right side
    37,383.75x = 1,051,765,087.53
  5. Step 5: Solve for x
    x = 1,051,765,087.53/37,383.75
  6. Step 6: Final answer
    x = 28,134.29

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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.