Home / 20,450.20-30,632.10-16,562.20

Finding the Fourth Proportional to 20,450.20, 30,632.10 and 16,562.20

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Solution

The fourth proportional to 20,450.20, 30,632.10 and 16,562.20 is: 24,808.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,450.20 : 30,632.10 = 16,562.20 : x
  2. Step 2: Convert to fraction form
    20,450.20/30,632.10 = 16,562.20/x
  3. Step 3: Cross multiply
    20,450.20x = 30,632.10 × 16,562.20
  4. Step 4: Simplify right side
    20,450.20x = 507,334,966.62
  5. Step 5: Solve for x
    x = 507,334,966.62/20,450.20
  6. Step 6: Final answer
    x = 24,808.31

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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.