Home / 30,617.44-45,957.12-20,620.96

Finding the Fourth Proportional to 30,617.44, 45,957.12 and 20,620.96

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Solution

The fourth proportional to 30,617.44, 45,957.12 and 20,620.96 is: 30,952.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,617.44 : 45,957.12 = 20,620.96 : x
  2. Step 2: Convert to fraction form
    30,617.44/45,957.12 = 20,620.96/x
  3. Step 3: Cross multiply
    30,617.44x = 45,957.12 × 20,620.96
  4. Step 4: Simplify right side
    30,617.44x = 947,679,933.24
  5. Step 5: Solve for x
    x = 947,679,933.24/30,617.44
  6. Step 6: Final answer
    x = 30,952.29

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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.