Home / 38,544.80-57,823.79-13,243.10

Finding the Fourth Proportional to 38,544.80, 57,823.79 and 13,243.10

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Solution

The fourth proportional to 38,544.80, 57,823.79 and 13,243.10 is: 19,866.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,544.80 : 57,823.79 = 13,243.10 : x
  2. Step 2: Convert to fraction form
    38,544.80/57,823.79 = 13,243.10/x
  3. Step 3: Cross multiply
    38,544.80x = 57,823.79 × 13,243.10
  4. Step 4: Simplify right side
    38,544.80x = 765,765,878.01
  5. Step 5: Solve for x
    x = 765,765,878.01/38,544.80
  6. Step 6: Final answer
    x = 19,866.91

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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.