Home / 36,274.64-54,379.08-12,895.56

Finding the Fourth Proportional to 36,274.64, 54,379.08 and 12,895.56

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Solution

The fourth proportional to 36,274.64, 54,379.08 and 12,895.56 is: 19,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,274.64 : 54,379.08 = 12,895.56 : x
  2. Step 2: Convert to fraction form
    36,274.64/54,379.08 = 12,895.56/x
  3. Step 3: Cross multiply
    36,274.64x = 54,379.08 × 12,895.56
  4. Step 4: Simplify right side
    36,274.64x = 701,248,688.88
  5. Step 5: Solve for x
    x = 701,248,688.88/36,274.64
  6. Step 6: Final answer
    x = 19,331.65

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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.