Home / 40,558.78-55,940.25-34,903.04

Finding the Fourth Proportional to 40,558.78, 55,940.25 and 34,903.04

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Solution

The fourth proportional to 40,558.78, 55,940.25 and 34,903.04 is: 48,139.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,558.78 : 55,940.25 = 34,903.04 : x
  2. Step 2: Convert to fraction form
    40,558.78/55,940.25 = 34,903.04/x
  3. Step 3: Cross multiply
    40,558.78x = 55,940.25 × 34,903.04
  4. Step 4: Simplify right side
    40,558.78x = 1,952,485,054.10
  5. Step 5: Solve for x
    x = 1,952,485,054.10/40,558.78
  6. Step 6: Final answer
    x = 48,139.64

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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.