Home / 49,345.15-74,022.41-13,806.48

Finding the Fourth Proportional to 49,345.15, 74,022.41 and 13,806.48

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Solution

The fourth proportional to 49,345.15, 74,022.41 and 13,806.48 is: 20,711.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,345.15 : 74,022.41 = 13,806.48 : x
  2. Step 2: Convert to fraction form
    49,345.15/74,022.41 = 13,806.48/x
  3. Step 3: Cross multiply
    49,345.15x = 74,022.41 × 13,806.48
  4. Step 4: Simplify right side
    49,345.15x = 1,021,988,923.22
  5. Step 5: Solve for x
    x = 1,021,988,923.22/49,345.15
  6. Step 6: Final answer
    x = 20,711.03

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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.