Home / 38,177.33-57,245.48-13,209.99

Finding the Fourth Proportional to 38,177.33, 57,245.48 and 13,209.99

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Solution

The fourth proportional to 38,177.33, 57,245.48 and 13,209.99 is: 19,807.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,177.33 : 57,245.48 = 13,209.99 : x
  2. Step 2: Convert to fraction form
    38,177.33/57,245.48 = 13,209.99/x
  3. Step 3: Cross multiply
    38,177.33x = 57,245.48 × 13,209.99
  4. Step 4: Simplify right side
    38,177.33x = 756,212,061.47
  5. Step 5: Solve for x
    x = 756,212,061.47/38,177.33
  6. Step 6: Final answer
    x = 19,807.88

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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.