Home / 30,353.80-45,504.18-16,321.48

Finding the Fourth Proportional to 30,353.80, 45,504.18 and 16,321.48

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Solution

The fourth proportional to 30,353.80, 45,504.18 and 16,321.48 is: 24,467.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,353.80 : 45,504.18 = 16,321.48 : x
  2. Step 2: Convert to fraction form
    30,353.80/45,504.18 = 16,321.48/x
  3. Step 3: Cross multiply
    30,353.80x = 45,504.18 × 16,321.48
  4. Step 4: Simplify right side
    30,353.80x = 742,695,563.79
  5. Step 5: Solve for x
    x = 742,695,563.79/30,353.80
  6. Step 6: Final answer
    x = 24,467.96

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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.