Home / 51,318.32-76,991.16-16,258.64

Finding the Fourth Proportional to 51,318.32, 76,991.16 and 16,258.64

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Solution

The fourth proportional to 51,318.32, 76,991.16 and 16,258.64 is: 24,392.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,318.32 : 76,991.16 = 16,258.64 : x
  2. Step 2: Convert to fraction form
    51,318.32/76,991.16 = 16,258.64/x
  3. Step 3: Cross multiply
    51,318.32x = 76,991.16 × 16,258.64
  4. Step 4: Simplify right side
    51,318.32x = 1,251,771,553.62
  5. Step 5: Solve for x
    x = 1,251,771,553.62/51,318.32
  6. Step 6: Final answer
    x = 24,392.29

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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.