Home / 36,358.74-54,546.89-12,662.82

Finding the Fourth Proportional to 36,358.74, 54,546.89 and 12,662.82

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Solution

The fourth proportional to 36,358.74, 54,546.89 and 12,662.82 is: 18,997.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,358.74 : 54,546.89 = 12,662.82 : x
  2. Step 2: Convert to fraction form
    36,358.74/54,546.89 = 12,662.82/x
  3. Step 3: Cross multiply
    36,358.74x = 54,546.89 × 12,662.82
  4. Step 4: Simplify right side
    36,358.74x = 690,717,386.32
  5. Step 5: Solve for x
    x = 690,717,386.32/36,358.74
  6. Step 6: Final answer
    x = 18,997.29

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1.5x scale

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.