Home / 38,003.98-57,007.13-13,043.67

Finding the Fourth Proportional to 38,003.98, 57,007.13 and 13,043.67

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Solution

The fourth proportional to 38,003.98, 57,007.13 and 13,043.67 is: 19,565.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,003.98 : 57,007.13 = 13,043.67 : x
  2. Step 2: Convert to fraction form
    38,003.98/57,007.13 = 13,043.67/x
  3. Step 3: Cross multiply
    38,003.98x = 57,007.13 × 13,043.67
  4. Step 4: Simplify right side
    38,003.98x = 743,582,191.37
  5. Step 5: Solve for x
    x = 743,582,191.37/38,003.98
  6. Step 6: Final answer
    x = 19,565.90

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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.