Home / 40,801.79-61,189.73-13,093.31

Finding the Fourth Proportional to 40,801.79, 61,189.73 and 13,093.31

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Solution

The fourth proportional to 40,801.79, 61,189.73 and 13,093.31 is: 19,635.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,801.79 : 61,189.73 = 13,093.31 : x
  2. Step 2: Convert to fraction form
    40,801.79/61,189.73 = 13,093.31/x
  3. Step 3: Cross multiply
    40,801.79x = 61,189.73 × 13,093.31
  4. Step 4: Simplify right side
    40,801.79x = 801,176,240.31
  5. Step 5: Solve for x
    x = 801,176,240.31/40,801.79
  6. Step 6: Final answer
    x = 19,635.81

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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.