Home / 51,628.28-77,246.79-30,579.62

Finding the Fourth Proportional to 51,628.28, 77,246.79 and 30,579.62

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Solution

The fourth proportional to 51,628.28, 77,246.79 and 30,579.62 is: 45,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,628.28 : 77,246.79 = 30,579.62 : x
  2. Step 2: Convert to fraction form
    51,628.28/77,246.79 = 30,579.62/x
  3. Step 3: Cross multiply
    51,628.28x = 77,246.79 × 30,579.62
  4. Step 4: Simplify right side
    51,628.28x = 2,362,177,484.42
  5. Step 5: Solve for x
    x = 2,362,177,484.42/51,628.28
  6. Step 6: Final answer
    x = 45,753.56

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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.