Home / 41,977.93-62,922.54-13,890.78

Finding the Fourth Proportional to 41,977.93, 62,922.54 and 13,890.78

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Solution

The fourth proportional to 41,977.93, 62,922.54 and 13,890.78 is: 20,821.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,977.93 : 62,922.54 = 13,890.78 : x
  2. Step 2: Convert to fraction form
    41,977.93/62,922.54 = 13,890.78/x
  3. Step 3: Cross multiply
    41,977.93x = 62,922.54 × 13,890.78
  4. Step 4: Simplify right side
    41,977.93x = 874,043,160.18
  5. Step 5: Solve for x
    x = 874,043,160.18/41,977.93
  6. Step 6: Final answer
    x = 20,821.49

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1.5x scale

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.