Home / 38,505.63-57,757.76-19,774.66

Finding the Fourth Proportional to 38,505.63, 57,757.76 and 19,774.66

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Solution

The fourth proportional to 38,505.63, 57,757.76 and 19,774.66 is: 29,661.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,505.63 : 57,757.76 = 19,774.66 : x
  2. Step 2: Convert to fraction form
    38,505.63/57,757.76 = 19,774.66/x
  3. Step 3: Cross multiply
    38,505.63x = 57,757.76 × 19,774.66
  4. Step 4: Simplify right side
    38,505.63x = 1,142,139,843.10
  5. Step 5: Solve for x
    x = 1,142,139,843.10/38,505.63
  6. Step 6: Final answer
    x = 29,661.63

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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.