Home / 45,029.16-67,558.32-21,652.56

Finding the Fourth Proportional to 45,029.16, 67,558.32 and 21,652.56

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Solution

The fourth proportional to 45,029.16, 67,558.32 and 21,652.56 is: 32,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,029.16 : 67,558.32 = 21,652.56 : x
  2. Step 2: Convert to fraction form
    45,029.16/67,558.32 = 21,652.56/x
  3. Step 3: Cross multiply
    45,029.16x = 67,558.32 × 21,652.56
  4. Step 4: Simplify right side
    45,029.16x = 1,462,810,577.30
  5. Step 5: Solve for x
    x = 1,462,810,577.30/45,029.16
  6. Step 6: Final answer
    x = 32,485.85

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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.