Home / 29,159.89-43,739.54-13,360.43

Finding the Fourth Proportional to 29,159.89, 43,739.54 and 13,360.43

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Solution

The fourth proportional to 29,159.89, 43,739.54 and 13,360.43 is: 20,040.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,159.89 : 43,739.54 = 13,360.43 : x
  2. Step 2: Convert to fraction form
    29,159.89/43,739.54 = 13,360.43/x
  3. Step 3: Cross multiply
    29,159.89x = 43,739.54 × 13,360.43
  4. Step 4: Simplify right side
    29,159.89x = 584,379,062.40
  5. Step 5: Solve for x
    x = 584,379,062.40/29,159.89
  6. Step 6: Final answer
    x = 20,040.51

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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.