Home / 30,313.08-45,467.82-13,666.38

Finding the Fourth Proportional to 30,313.08, 45,467.82 and 13,666.38

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Solution

The fourth proportional to 30,313.08, 45,467.82 and 13,666.38 is: 20,498.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,313.08 : 45,467.82 = 13,666.38 : x
  2. Step 2: Convert to fraction form
    30,313.08/45,467.82 = 13,666.38/x
  3. Step 3: Cross multiply
    30,313.08x = 45,467.82 × 13,666.38
  4. Step 4: Simplify right side
    30,313.08x = 621,380,505.89
  5. Step 5: Solve for x
    x = 621,380,505.89/30,313.08
  6. Step 6: Final answer
    x = 20,498.76

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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.