Home / 30,352.35-45,528.42-14,121.84

Finding the Fourth Proportional to 30,352.35, 45,528.42 and 14,121.84

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Solution

The fourth proportional to 30,352.35, 45,528.42 and 14,121.84 is: 21,182.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,352.35 : 45,528.42 = 14,121.84 : x
  2. Step 2: Convert to fraction form
    30,352.35/45,528.42 = 14,121.84/x
  3. Step 3: Cross multiply
    30,352.35x = 45,528.42 × 14,121.84
  4. Step 4: Simplify right side
    30,352.35x = 642,945,062.69
  5. Step 5: Solve for x
    x = 642,945,062.69/30,352.35
  6. Step 6: Final answer
    x = 21,182.71

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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.