Home / 29,318.64-40,457.16-17,379.96

Finding the Fourth Proportional to 29,318.64, 40,457.16 and 17,379.96

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Solution

The fourth proportional to 29,318.64, 40,457.16 and 17,379.96 is: 23,982.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,318.64 : 40,457.16 = 17,379.96 : x
  2. Step 2: Convert to fraction form
    29,318.64/40,457.16 = 17,379.96/x
  3. Step 3: Cross multiply
    29,318.64x = 40,457.16 × 17,379.96
  4. Step 4: Simplify right side
    29,318.64x = 703,143,822.51
  5. Step 5: Solve for x
    x = 703,143,822.51/29,318.64
  6. Step 6: Final answer
    x = 23,982.83

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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.