Home / 49,578.28-74,356.48-14,520.68

Finding the Fourth Proportional to 49,578.28, 74,356.48 and 14,520.68

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Solution

The fourth proportional to 49,578.28, 74,356.48 and 14,520.68 is: 21,777.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,578.28 : 74,356.48 = 14,520.68 : x
  2. Step 2: Convert to fraction form
    49,578.28/74,356.48 = 14,520.68/x
  3. Step 3: Cross multiply
    49,578.28x = 74,356.48 × 14,520.68
  4. Step 4: Simplify right side
    49,578.28x = 1,079,706,652.01
  5. Step 5: Solve for x
    x = 1,079,706,652.01/49,578.28
  6. Step 6: Final answer
    x = 21,777.82

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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.