Home / 36,455.12-50,308.08-19,688.12

Finding the Fourth Proportional to 36,455.12, 50,308.08 and 19,688.12

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Solution

The fourth proportional to 36,455.12, 50,308.08 and 19,688.12 is: 27,169.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,455.12 : 50,308.08 = 19,688.12 : x
  2. Step 2: Convert to fraction form
    36,455.12/50,308.08 = 19,688.12/x
  3. Step 3: Cross multiply
    36,455.12x = 50,308.08 × 19,688.12
  4. Step 4: Simplify right side
    36,455.12x = 990,471,516.01
  5. Step 5: Solve for x
    x = 990,471,516.01/36,455.12
  6. Step 6: Final answer
    x = 27,169.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.