Home / 49,315.32-74,025.62-21,249.29

Finding the Fourth Proportional to 49,315.32, 74,025.62 and 21,249.29

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Solution

The fourth proportional to 49,315.32, 74,025.62 and 21,249.29 is: 31,896.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,315.32 : 74,025.62 = 21,249.29 : x
  2. Step 2: Convert to fraction form
    49,315.32/74,025.62 = 21,249.29/x
  3. Step 3: Cross multiply
    49,315.32x = 74,025.62 × 21,249.29
  4. Step 4: Simplify right side
    49,315.32x = 1,572,991,866.81
  5. Step 5: Solve for x
    x = 1,572,991,866.81/49,315.32
  6. Step 6: Final answer
    x = 31,896.62

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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.