Home / 38,022.21-57,053.67-21,383.39

Finding the Fourth Proportional to 38,022.21, 57,053.67 and 21,383.39

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Solution

The fourth proportional to 38,022.21, 57,053.67 and 21,383.39 is: 32,086.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,022.21 : 57,053.67 = 21,383.39 : x
  2. Step 2: Convert to fraction form
    38,022.21/57,053.67 = 21,383.39/x
  3. Step 3: Cross multiply
    38,022.21x = 57,053.67 × 21,383.39
  4. Step 4: Simplify right side
    38,022.21x = 1,220,000,938.99
  5. Step 5: Solve for x
    x = 1,220,000,938.99/38,022.21
  6. Step 6: Final answer
    x = 32,086.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.