Home / 38,015.81-57,033.43-15,821.81

Finding the Fourth Proportional to 38,015.81, 57,033.43 and 15,821.81

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Solution

The fourth proportional to 38,015.81, 57,033.43 and 15,821.81 is: 23,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,015.81 : 57,033.43 = 15,821.81 : x
  2. Step 2: Convert to fraction form
    38,015.81/57,033.43 = 15,821.81/x
  3. Step 3: Cross multiply
    38,015.81x = 57,033.43 × 15,821.81
  4. Step 4: Simplify right side
    38,015.81x = 902,371,970.30
  5. Step 5: Solve for x
    x = 902,371,970.30/38,015.81
  6. Step 6: Final answer
    x = 23,736.76

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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.