Home / 30,299.52-41,826.24-20,369.28

Finding the Fourth Proportional to 30,299.52, 41,826.24 and 20,369.28

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Solution

The fourth proportional to 30,299.52, 41,826.24 and 20,369.28 is: 28,118.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299.52 : 41,826.24 = 20,369.28 : x
  2. Step 2: Convert to fraction form
    30,299.52/41,826.24 = 20,369.28/x
  3. Step 3: Cross multiply
    30,299.52x = 41,826.24 × 20,369.28
  4. Step 4: Simplify right side
    30,299.52x = 851,970,393.91
  5. Step 5: Solve for x
    x = 851,970,393.91/30,299.52
  6. Step 6: Final answer
    x = 28,118.28

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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.