Home / 30,027.38-45,057.13-19,494.92

Finding the Fourth Proportional to 30,027.38, 45,057.13 and 19,494.92

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Solution

The fourth proportional to 30,027.38, 45,057.13 and 19,494.92 is: 29,252.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,027.38 : 45,057.13 = 19,494.92 : x
  2. Step 2: Convert to fraction form
    30,027.38/45,057.13 = 19,494.92/x
  3. Step 3: Cross multiply
    30,027.38x = 45,057.13 × 19,494.92
  4. Step 4: Simplify right side
    30,027.38x = 878,385,144.78
  5. Step 5: Solve for x
    x = 878,385,144.78/30,027.38
  6. Step 6: Final answer
    x = 29,252.81

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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.