Home / 49,510.11-74,269.55-13,971.75

Finding the Fourth Proportional to 49,510.11, 74,269.55 and 13,971.75

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Solution

The fourth proportional to 49,510.11, 74,269.55 and 13,971.75 is: 20,958.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,510.11 : 74,269.55 = 13,971.75 : x
  2. Step 2: Convert to fraction form
    49,510.11/74,269.55 = 13,971.75/x
  3. Step 3: Cross multiply
    49,510.11x = 74,269.55 × 13,971.75
  4. Step 4: Simplify right side
    49,510.11x = 1,037,675,515.35
  5. Step 5: Solve for x
    x = 1,037,675,515.35/49,510.11
  6. Step 6: Final answer
    x = 20,958.86

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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.