Home / 38,270.88-57,328.56-19,764

Finding the Fourth Proportional to 38,270.88, 57,328.56 and 19,764

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Solution

The fourth proportional to 38,270.88, 57,328.56 and 19,764 is: 29,605.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,270.88 : 57,328.56 = 19,764 : x
  2. Step 2: Convert to fraction form
    38,270.88/57,328.56 = 19,764/x
  3. Step 3: Cross multiply
    38,270.88x = 57,328.56 × 19,764
  4. Step 4: Simplify right side
    38,270.88x = 1,133,041,659.84
  5. Step 5: Solve for x
    x = 1,133,041,659.84/38,270.88
  6. Step 6: Final answer
    x = 29,605.84

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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.