Home / 38,015.18-57,029.62-13,048.78

Finding the Fourth Proportional to 38,015.18, 57,029.62 and 13,048.78

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Solution

The fourth proportional to 38,015.18, 57,029.62 and 13,048.78 is: 19,575.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,015.18 : 57,029.62 = 13,048.78 : x
  2. Step 2: Convert to fraction form
    38,015.18/57,029.62 = 13,048.78/x
  3. Step 3: Cross multiply
    38,015.18x = 57,029.62 × 13,048.78
  4. Step 4: Simplify right side
    38,015.18x = 744,166,964.86
  5. Step 5: Solve for x
    x = 744,166,964.86/38,015.18
  6. Step 6: Final answer
    x = 19,575.52

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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.