Home / 54,709.28-75,490.44-30,835.52

Finding the Fourth Proportional to 54,709.28, 75,490.44 and 30,835.52

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Solution

The fourth proportional to 54,709.28, 75,490.44 and 30,835.52 is: 42,548.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,709.28 : 75,490.44 = 30,835.52 : x
  2. Step 2: Convert to fraction form
    54,709.28/75,490.44 = 30,835.52/x
  3. Step 3: Cross multiply
    54,709.28x = 75,490.44 × 30,835.52
  4. Step 4: Simplify right side
    54,709.28x = 2,327,786,972.43
  5. Step 5: Solve for x
    x = 2,327,786,972.43/54,709.28
  6. Step 6: Final answer
    x = 42,548.30

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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.