Home / 36,309.58-54,472.11-12,617.84

Finding the Fourth Proportional to 36,309.58, 54,472.11 and 12,617.84

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Solution

The fourth proportional to 36,309.58, 54,472.11 and 12,617.84 is: 18,929.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,309.58 : 54,472.11 = 12,617.84 : x
  2. Step 2: Convert to fraction form
    36,309.58/54,472.11 = 12,617.84/x
  3. Step 3: Cross multiply
    36,309.58x = 54,472.11 × 12,617.84
  4. Step 4: Simplify right side
    36,309.58x = 687,320,096.08
  5. Step 5: Solve for x
    x = 687,320,096.08/36,309.58
  6. Step 6: Final answer
    x = 18,929.44

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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.