Home / 40,049.24-60,072.50-18,999.36

Finding the Fourth Proportional to 40,049.24, 60,072.50 and 18,999.36

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Solution

The fourth proportional to 40,049.24, 60,072.50 and 18,999.36 is: 28,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,049.24 : 60,072.50 = 18,999.36 : x
  2. Step 2: Convert to fraction form
    40,049.24/60,072.50 = 18,999.36/x
  3. Step 3: Cross multiply
    40,049.24x = 60,072.50 × 18,999.36
  4. Step 4: Simplify right side
    40,049.24x = 1,141,339,101.10
  5. Step 5: Solve for x
    x = 1,141,339,101.10/40,049.24
  6. Step 6: Final answer
    x = 28,498.40

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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.