Home / 33,182.70-49,775.49-15,430.02

Finding the Fourth Proportional to 33,182.70, 49,775.49 and 15,430.02

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Solution

The fourth proportional to 33,182.70, 49,775.49 and 15,430.02 is: 23,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,182.70 : 49,775.49 = 15,430.02 : x
  2. Step 2: Convert to fraction form
    33,182.70/49,775.49 = 15,430.02/x
  3. Step 3: Cross multiply
    33,182.70x = 49,775.49 × 15,430.02
  4. Step 4: Simplify right side
    33,182.70x = 768,036,806.21
  5. Step 5: Solve for x
    x = 768,036,806.21/33,182.70
  6. Step 6: Final answer
    x = 23,145.70

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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.