Home / 32,115.45-44,321.94-18,507.72

Finding the Fourth Proportional to 32,115.45, 44,321.94 and 18,507.72

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Solution

The fourth proportional to 32,115.45, 44,321.94 and 18,507.72 is: 25,542.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,115.45 : 44,321.94 = 18,507.72 : x
  2. Step 2: Convert to fraction form
    32,115.45/44,321.94 = 18,507.72/x
  3. Step 3: Cross multiply
    32,115.45x = 44,321.94 × 18,507.72
  4. Step 4: Simplify right side
    32,115.45x = 820,298,055.38
  5. Step 5: Solve for x
    x = 820,298,055.38/32,115.45
  6. Step 6: Final answer
    x = 25,542.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.