Home / 40,530.92-55,905.36-35,216.60

Finding the Fourth Proportional to 40,530.92, 55,905.36 and 35,216.60

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Solution

The fourth proportional to 40,530.92, 55,905.36 and 35,216.60 is: 48,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,530.92 : 55,905.36 = 35,216.60 : x
  2. Step 2: Convert to fraction form
    40,530.92/55,905.36 = 35,216.60/x
  3. Step 3: Cross multiply
    40,530.92x = 55,905.36 × 35,216.60
  4. Step 4: Simplify right side
    40,530.92x = 1,968,796,700.98
  5. Step 5: Solve for x
    x = 1,968,796,700.98/40,530.92
  6. Step 6: Final answer
    x = 48,575.18

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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.