Home / 50,644.10-75,905.40-21,046.70

Finding the Fourth Proportional to 50,644.10, 75,905.40 and 21,046.70

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Solution

The fourth proportional to 50,644.10, 75,905.40 and 21,046.70 is: 31,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,644.10 : 75,905.40 = 21,046.70 : x
  2. Step 2: Convert to fraction form
    50,644.10/75,905.40 = 21,046.70/x
  3. Step 3: Cross multiply
    50,644.10x = 75,905.40 × 21,046.70
  4. Step 4: Simplify right side
    50,644.10x = 1,597,558,182.18
  5. Step 5: Solve for x
    x = 1,597,558,182.18/50,644.10
  6. Step 6: Final answer
    x = 31,544.80

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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.