Home / 30,299.24-45,353.78-19,167.32

Finding the Fourth Proportional to 30,299.24, 45,353.78 and 19,167.32

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Solution

The fourth proportional to 30,299.24, 45,353.78 and 19,167.32 is: 28,690.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299.24 : 45,353.78 = 19,167.32 : x
  2. Step 2: Convert to fraction form
    30,299.24/45,353.78 = 19,167.32/x
  3. Step 3: Cross multiply
    30,299.24x = 45,353.78 × 19,167.32
  4. Step 4: Simplify right side
    30,299.24x = 869,310,414.47
  5. Step 5: Solve for x
    x = 869,310,414.47/30,299.24
  6. Step 6: Final answer
    x = 28,690.83

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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.