Home / 50,638.76-75,964.20-21,076.58

Finding the Fourth Proportional to 50,638.76, 75,964.20 and 21,076.58

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Solution

The fourth proportional to 50,638.76, 75,964.20 and 21,076.58 is: 31,617.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,638.76 : 75,964.20 = 21,076.58 : x
  2. Step 2: Convert to fraction form
    50,638.76/75,964.20 = 21,076.58/x
  3. Step 3: Cross multiply
    50,638.76x = 75,964.20 × 21,076.58
  4. Step 4: Simplify right side
    50,638.76x = 1,601,065,538.44
  5. Step 5: Solve for x
    x = 1,601,065,538.44/50,638.76
  6. Step 6: Final answer
    x = 31,617.39

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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.