Home / 54,635.56-75,396.88-30,769.86

Finding the Fourth Proportional to 54,635.56, 75,396.88 and 30,769.86

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Solution

The fourth proportional to 54,635.56, 75,396.88 and 30,769.86 is: 42,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,635.56 : 75,396.88 = 30,769.86 : x
  2. Step 2: Convert to fraction form
    54,635.56/75,396.88 = 30,769.86/x
  3. Step 3: Cross multiply
    54,635.56x = 75,396.88 × 30,769.86
  4. Step 4: Simplify right side
    54,635.56x = 2,319,951,442.04
  5. Step 5: Solve for x
    x = 2,319,951,442.04/54,635.56
  6. Step 6: Final answer
    x = 42,462.30

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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.