Home / 43,431.88-59,928.20-25,530.50

Finding the Fourth Proportional to 43,431.88, 59,928.20 and 25,530.50

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Solution

The fourth proportional to 43,431.88, 59,928.20 and 25,530.50 is: 35,227.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,431.88 : 59,928.20 = 25,530.50 : x
  2. Step 2: Convert to fraction form
    43,431.88/59,928.20 = 25,530.50/x
  3. Step 3: Cross multiply
    43,431.88x = 59,928.20 × 25,530.50
  4. Step 4: Simplify right side
    43,431.88x = 1,529,996,910.10
  5. Step 5: Solve for x
    x = 1,529,996,910.10/43,431.88
  6. Step 6: Final answer
    x = 35,227.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.