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Finding the Fourth Proportional to 30,619, 45,950.37 and 15,047.56

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Solution

The fourth proportional to 30,619, 45,950.37 and 15,047.56 is: 22,582.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619 : 45,950.37 = 15,047.56 : x
  2. Step 2: Convert to fraction form
    30,619/45,950.37 = 15,047.56/x
  3. Step 3: Cross multiply
    30,619x = 45,950.37 × 15,047.56
  4. Step 4: Simplify right side
    30,619x = 691,440,949.60
  5. Step 5: Solve for x
    x = 691,440,949.60/30,619
  6. Step 6: Final answer
    x = 22,582.09

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1.5x scale

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.