Home / 31,186.22-46,786.62-21,330.14

Finding the Fourth Proportional to 31,186.22, 46,786.62 and 21,330.14

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Solution

The fourth proportional to 31,186.22, 46,786.62 and 21,330.14 is: 32,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186.22 : 46,786.62 = 21,330.14 : x
  2. Step 2: Convert to fraction form
    31,186.22/46,786.62 = 21,330.14/x
  3. Step 3: Cross multiply
    31,186.22x = 46,786.62 × 21,330.14
  4. Step 4: Simplify right side
    31,186.22x = 997,965,154.73
  5. Step 5: Solve for x
    x = 997,965,154.73/31,186.22
  6. Step 6: Final answer
    x = 32,000.20

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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.