Home / 41,973.68-62,972.01-12,391.50

Finding the Fourth Proportional to 41,973.68, 62,972.01 and 12,391.50

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Solution

The fourth proportional to 41,973.68, 62,972.01 and 12,391.50 is: 18,590.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,973.68 : 62,972.01 = 12,391.50 : x
  2. Step 2: Convert to fraction form
    41,973.68/62,972.01 = 12,391.50/x
  3. Step 3: Cross multiply
    41,973.68x = 62,972.01 × 12,391.50
  4. Step 4: Simplify right side
    41,973.68x = 780,317,661.92
  5. Step 5: Solve for x
    x = 780,317,661.92/41,973.68
  6. Step 6: Final answer
    x = 18,590.64

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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.