Home / 55,617.56-76,753.24-30,465.44

Finding the Fourth Proportional to 55,617.56, 76,753.24 and 30,465.44

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Solution

The fourth proportional to 55,617.56, 76,753.24 and 30,465.44 is: 42,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,617.56 : 76,753.24 = 30,465.44 : x
  2. Step 2: Convert to fraction form
    55,617.56/76,753.24 = 30,465.44/x
  3. Step 3: Cross multiply
    55,617.56x = 76,753.24 × 30,465.44
  4. Step 4: Simplify right side
    55,617.56x = 2,338,321,228.03
  5. Step 5: Solve for x
    x = 2,338,321,228.03/55,617.56
  6. Step 6: Final answer
    x = 42,042.86

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1.5x scale

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.