Home / 38,255.08-57,391.86-13,291.50

Finding the Fourth Proportional to 38,255.08, 57,391.86 and 13,291.50

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Solution

The fourth proportional to 38,255.08, 57,391.86 and 13,291.50 is: 19,940.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,255.08 : 57,391.86 = 13,291.50 : x
  2. Step 2: Convert to fraction form
    38,255.08/57,391.86 = 13,291.50/x
  3. Step 3: Cross multiply
    38,255.08x = 57,391.86 × 13,291.50
  4. Step 4: Simplify right side
    38,255.08x = 762,823,907.19
  5. Step 5: Solve for x
    x = 762,823,907.19/38,255.08
  6. Step 6: Final answer
    x = 19,940.46

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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.