Home / 40,845.37-61,271.82-15,887.31

Finding the Fourth Proportional to 40,845.37, 61,271.82 and 15,887.31

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Solution

The fourth proportional to 40,845.37, 61,271.82 and 15,887.31 is: 23,832.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,845.37 : 61,271.82 = 15,887.31 : x
  2. Step 2: Convert to fraction form
    40,845.37/61,271.82 = 15,887.31/x
  3. Step 3: Cross multiply
    40,845.37x = 61,271.82 × 15,887.31
  4. Step 4: Simplify right side
    40,845.37x = 973,444,092.25
  5. Step 5: Solve for x
    x = 973,444,092.25/40,845.37
  6. Step 6: Final answer
    x = 23,832.42

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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.