Home / 48,672.96-73,021.59-13,612.32

Finding the Fourth Proportional to 48,672.96, 73,021.59 and 13,612.32

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Solution

The fourth proportional to 48,672.96, 73,021.59 and 13,612.32 is: 20,421.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,672.96 : 73,021.59 = 13,612.32 : x
  2. Step 2: Convert to fraction form
    48,672.96/73,021.59 = 13,612.32/x
  3. Step 3: Cross multiply
    48,672.96x = 73,021.59 × 13,612.32
  4. Step 4: Simplify right side
    48,672.96x = 993,993,249.99
  5. Step 5: Solve for x
    x = 993,993,249.99/48,672.96
  6. Step 6: Final answer
    x = 20,421.88

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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.