Home / 55,475.38-76,555.92-30,324.88

Finding the Fourth Proportional to 55,475.38, 76,555.92 and 30,324.88

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Solution

The fourth proportional to 55,475.38, 76,555.92 and 30,324.88 is: 41,848.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,475.38 : 76,555.92 = 30,324.88 : x
  2. Step 2: Convert to fraction form
    55,475.38/76,555.92 = 30,324.88/x
  3. Step 3: Cross multiply
    55,475.38x = 76,555.92 × 30,324.88
  4. Step 4: Simplify right side
    55,475.38x = 2,321,549,087.29
  5. Step 5: Solve for x
    x = 2,321,549,087.29/55,475.38
  6. Step 6: Final answer
    x = 41,848.28

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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.