Home / 38,133.24-57,165.84-19,402.80

Finding the Fourth Proportional to 38,133.24, 57,165.84 and 19,402.80

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Solution

The fourth proportional to 38,133.24, 57,165.84 and 19,402.80 is: 29,086.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,133.24 : 57,165.84 = 19,402.80 : x
  2. Step 2: Convert to fraction form
    38,133.24/57,165.84 = 19,402.80/x
  3. Step 3: Cross multiply
    38,133.24x = 57,165.84 × 19,402.80
  4. Step 4: Simplify right side
    38,133.24x = 1,109,177,360.35
  5. Step 5: Solve for x
    x = 1,109,177,360.35/38,133.24
  6. Step 6: Final answer
    x = 29,086.89

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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.