Home / 36,913.91-55,379.68-11,953.99

Finding the Fourth Proportional to 36,913.91, 55,379.68 and 11,953.99

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Solution

The fourth proportional to 36,913.91, 55,379.68 and 11,953.99 is: 17,933.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,913.91 : 55,379.68 = 11,953.99 : x
  2. Step 2: Convert to fraction form
    36,913.91/55,379.68 = 11,953.99/x
  3. Step 3: Cross multiply
    36,913.91x = 55,379.68 × 11,953.99
  4. Step 4: Simplify right side
    36,913.91x = 662,008,140.92
  5. Step 5: Solve for x
    x = 662,008,140.92/36,913.91
  6. Step 6: Final answer
    x = 17,933.84

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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.