Home / 50,583.55-75,905.70-20,998.30

Finding the Fourth Proportional to 50,583.55, 75,905.70 and 20,998.30

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Solution

The fourth proportional to 50,583.55, 75,905.70 and 20,998.30 is: 31,510.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,583.55 : 75,905.70 = 20,998.30 : x
  2. Step 2: Convert to fraction form
    50,583.55/75,905.70 = 20,998.30/x
  3. Step 3: Cross multiply
    50,583.55x = 75,905.70 × 20,998.30
  4. Step 4: Simplify right side
    50,583.55x = 1,593,890,660.31
  5. Step 5: Solve for x
    x = 1,593,890,660.31/50,583.55
  6. Step 6: Final answer
    x = 31,510.06

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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.