Home / 40,923.70-61,372.49-15,957.68

Finding the Fourth Proportional to 40,923.70, 61,372.49 and 15,957.68

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Solution

The fourth proportional to 40,923.70, 61,372.49 and 15,957.68 is: 23,931.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,923.70 : 61,372.49 = 15,957.68 : x
  2. Step 2: Convert to fraction form
    40,923.70/61,372.49 = 15,957.68/x
  3. Step 3: Cross multiply
    40,923.70x = 61,372.49 × 15,957.68
  4. Step 4: Simplify right side
    40,923.70x = 979,362,169.57
  5. Step 5: Solve for x
    x = 979,362,169.57/40,923.70
  6. Step 6: Final answer
    x = 23,931.42

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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.