Home / 38,415.51-57,623.36-12,122.33

Finding the Fourth Proportional to 38,415.51, 57,623.36 and 12,122.33

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Solution

The fourth proportional to 38,415.51, 57,623.36 and 12,122.33 is: 18,183.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,415.51 : 57,623.36 = 12,122.33 : x
  2. Step 2: Convert to fraction form
    38,415.51/57,623.36 = 12,122.33/x
  3. Step 3: Cross multiply
    38,415.51x = 57,623.36 × 12,122.33
  4. Step 4: Simplify right side
    38,415.51x = 698,529,036.90
  5. Step 5: Solve for x
    x = 698,529,036.90/38,415.51
  6. Step 6: Final answer
    x = 18,183.52

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1.5x scale

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.