Home / 40,813.24-61,229.58-14,520.28

Finding the Fourth Proportional to 40,813.24, 61,229.58 and 14,520.28

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Solution

The fourth proportional to 40,813.24, 61,229.58 and 14,520.28 is: 21,783.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,813.24 : 61,229.58 = 14,520.28 : x
  2. Step 2: Convert to fraction form
    40,813.24/61,229.58 = 14,520.28/x
  3. Step 3: Cross multiply
    40,813.24x = 61,229.58 × 14,520.28
  4. Step 4: Simplify right side
    40,813.24x = 889,070,645.88
  5. Step 5: Solve for x
    x = 889,070,645.88/40,813.24
  6. Step 6: Final answer
    x = 21,783.88

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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.