Home / 38,058.24-57,121.99-20,303.95

Finding the Fourth Proportional to 38,058.24, 57,121.99 and 20,303.95

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Solution

The fourth proportional to 38,058.24, 57,121.99 and 20,303.95 is: 30,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,058.24 : 57,121.99 = 20,303.95 : x
  2. Step 2: Convert to fraction form
    38,058.24/57,121.99 = 20,303.95/x
  3. Step 3: Cross multiply
    38,058.24x = 57,121.99 × 20,303.95
  4. Step 4: Simplify right side
    38,058.24x = 1,159,802,028.86
  5. Step 5: Solve for x
    x = 1,159,802,028.86/38,058.24
  6. Step 6: Final answer
    x = 30,474.40

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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.