Home / 29,568.49-40,798.43-16,990.81

Finding the Fourth Proportional to 29,568.49, 40,798.43 and 16,990.81

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Solution

The fourth proportional to 29,568.49, 40,798.43 and 16,990.81 is: 23,443.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,568.49 : 40,798.43 = 16,990.81 : x
  2. Step 2: Convert to fraction form
    29,568.49/40,798.43 = 16,990.81/x
  3. Step 3: Cross multiply
    29,568.49x = 40,798.43 × 16,990.81
  4. Step 4: Simplify right side
    29,568.49x = 693,198,287.47
  5. Step 5: Solve for x
    x = 693,198,287.47/29,568.49
  6. Step 6: Final answer
    x = 23,443.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.