Home / 49,428.71-74,142.49-19,846.02

Finding the Fourth Proportional to 49,428.71, 74,142.49 and 19,846.02

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Solution

The fourth proportional to 49,428.71, 74,142.49 and 19,846.02 is: 29,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,428.71 : 74,142.49 = 19,846.02 : x
  2. Step 2: Convert to fraction form
    49,428.71/74,142.49 = 19,846.02/x
  3. Step 3: Cross multiply
    49,428.71x = 74,142.49 × 19,846.02
  4. Step 4: Simplify right side
    49,428.71x = 1,471,433,475.13
  5. Step 5: Solve for x
    x = 1,471,433,475.13/49,428.71
  6. Step 6: Final answer
    x = 29,768.80

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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.