Home / 49,682.20-74,501.70-16,389.40

Finding the Fourth Proportional to 49,682.20, 74,501.70 and 16,389.40

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Solution

The fourth proportional to 49,682.20, 74,501.70 and 16,389.40 is: 24,576.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,682.20 : 74,501.70 = 16,389.40 : x
  2. Step 2: Convert to fraction form
    49,682.20/74,501.70 = 16,389.40/x
  3. Step 3: Cross multiply
    49,682.20x = 74,501.70 × 16,389.40
  4. Step 4: Simplify right side
    49,682.20x = 1,221,038,161.98
  5. Step 5: Solve for x
    x = 1,221,038,161.98/49,682.20
  6. Step 6: Final answer
    x = 24,576.97

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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.