Home / 49,711.29-74,578.62-16,431.36

Finding the Fourth Proportional to 49,711.29, 74,578.62 and 16,431.36

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Solution

The fourth proportional to 49,711.29, 74,578.62 and 16,431.36 is: 24,650.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,711.29 : 74,578.62 = 16,431.36 : x
  2. Step 2: Convert to fraction form
    49,711.29/74,578.62 = 16,431.36/x
  3. Step 3: Cross multiply
    49,711.29x = 74,578.62 × 16,431.36
  4. Step 4: Simplify right side
    49,711.29x = 1,225,427,988.81
  5. Step 5: Solve for x
    x = 1,225,427,988.81/49,711.29
  6. Step 6: Final answer
    x = 24,650.90

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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.