Home / 40,829.94-61,268.63-15,887.21

Finding the Fourth Proportional to 40,829.94, 61,268.63 and 15,887.21

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Solution

The fourth proportional to 40,829.94, 61,268.63 and 15,887.21 is: 23,840.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,829.94 : 61,268.63 = 15,887.21 : x
  2. Step 2: Convert to fraction form
    40,829.94/61,268.63 = 15,887.21/x
  3. Step 3: Cross multiply
    40,829.94x = 61,268.63 × 15,887.21
  4. Step 4: Simplify right side
    40,829.94x = 973,387,205.44
  5. Step 5: Solve for x
    x = 973,387,205.44/40,829.94
  6. Step 6: Final answer
    x = 23,840.04

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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.