Home / 50,560.31-75,808.06-20,998.55

Finding the Fourth Proportional to 50,560.31, 75,808.06 and 20,998.55

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Solution

The fourth proportional to 50,560.31, 75,808.06 and 20,998.55 is: 31,484.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,560.31 : 75,808.06 = 20,998.55 : x
  2. Step 2: Convert to fraction form
    50,560.31/75,808.06 = 20,998.55/x
  3. Step 3: Cross multiply
    50,560.31x = 75,808.06 × 20,998.55
  4. Step 4: Simplify right side
    50,560.31x = 1,591,859,338.31
  5. Step 5: Solve for x
    x = 1,591,859,338.31/50,560.31
  6. Step 6: Final answer
    x = 31,484.37

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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.