Home / 38,426.03-57,645.74-11,771.41

Finding the Fourth Proportional to 38,426.03, 57,645.74 and 11,771.41

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Solution

The fourth proportional to 38,426.03, 57,645.74 and 11,771.41 is: 17,659.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,426.03 : 57,645.74 = 11,771.41 : x
  2. Step 2: Convert to fraction form
    38,426.03/57,645.74 = 11,771.41/x
  3. Step 3: Cross multiply
    38,426.03x = 57,645.74 × 11,771.41
  4. Step 4: Simplify right side
    38,426.03x = 678,571,640.29
  5. Step 5: Solve for x
    x = 678,571,640.29/38,426.03
  6. Step 6: Final answer
    x = 17,659.17

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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.