Home / 40,156.23-55,441.61-25,822.50

Finding the Fourth Proportional to 40,156.23, 55,441.61 and 25,822.50

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Solution

The fourth proportional to 40,156.23, 55,441.61 and 25,822.50 is: 35,651.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,156.23 : 55,441.61 = 25,822.50 : x
  2. Step 2: Convert to fraction form
    40,156.23/55,441.61 = 25,822.50/x
  3. Step 3: Cross multiply
    40,156.23x = 55,441.61 × 25,822.50
  4. Step 4: Simplify right side
    40,156.23x = 1,431,640,845.11
  5. Step 5: Solve for x
    x = 1,431,640,845.11/40,156.23
  6. Step 6: Final answer
    x = 35,651.77

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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.