Home / 49,935.20-74,913.60-16,649.60

Finding the Fourth Proportional to 49,935.20, 74,913.60 and 16,649.60

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Solution

The fourth proportional to 49,935.20, 74,913.60 and 16,649.60 is: 24,978.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,935.20 : 74,913.60 = 16,649.60 : x
  2. Step 2: Convert to fraction form
    49,935.20/74,913.60 = 16,649.60/x
  3. Step 3: Cross multiply
    49,935.20x = 74,913.60 × 16,649.60
  4. Step 4: Simplify right side
    49,935.20x = 1,247,281,474.56
  5. Step 5: Solve for x
    x = 1,247,281,474.56/49,935.20
  6. Step 6: Final answer
    x = 24,978.00

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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.