Home / 32,685.44-45,102.18-18,342.30

Finding the Fourth Proportional to 32,685.44, 45,102.18 and 18,342.30

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Solution

The fourth proportional to 32,685.44, 45,102.18 and 18,342.30 is: 25,310.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,685.44 : 45,102.18 = 18,342.30 : x
  2. Step 2: Convert to fraction form
    32,685.44/45,102.18 = 18,342.30/x
  3. Step 3: Cross multiply
    32,685.44x = 45,102.18 × 18,342.30
  4. Step 4: Simplify right side
    32,685.44x = 827,277,716.21
  5. Step 5: Solve for x
    x = 827,277,716.21/32,685.44
  6. Step 6: Final answer
    x = 25,310.29

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Double scale
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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.