Home / 38,469.74-57,698.81-12,171.06

Finding the Fourth Proportional to 38,469.74, 57,698.81 and 12,171.06

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Solution

The fourth proportional to 38,469.74, 57,698.81 and 12,171.06 is: 18,254.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,469.74 : 57,698.81 = 12,171.06 : x
  2. Step 2: Convert to fraction form
    38,469.74/57,698.81 = 12,171.06/x
  3. Step 3: Cross multiply
    38,469.74x = 57,698.81 × 12,171.06
  4. Step 4: Simplify right side
    38,469.74x = 702,255,617.58
  5. Step 5: Solve for x
    x = 702,255,617.58/38,469.74
  6. Step 6: Final answer
    x = 18,254.76

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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.