Home / 40,218.90-60,325.38-16,520.02

Finding the Fourth Proportional to 40,218.90, 60,325.38 and 16,520.02

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Solution

The fourth proportional to 40,218.90, 60,325.38 and 16,520.02 is: 24,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,218.90 : 60,325.38 = 16,520.02 : x
  2. Step 2: Convert to fraction form
    40,218.90/60,325.38 = 16,520.02/x
  3. Step 3: Cross multiply
    40,218.90x = 60,325.38 × 16,520.02
  4. Step 4: Simplify right side
    40,218.90x = 996,576,484.11
  5. Step 5: Solve for x
    x = 996,576,484.11/40,218.90
  6. Step 6: Final answer
    x = 24,778.81

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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.