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Finding the Fourth Proportional to 32,661.42, 45,072.66 and 17,757.42

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Solution

The fourth proportional to 32,661.42, 45,072.66 and 17,757.42 is: 24,505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,661.42 : 45,072.66 = 17,757.42 : x
  2. Step 2: Convert to fraction form
    32,661.42/45,072.66 = 17,757.42/x
  3. Step 3: Cross multiply
    32,661.42x = 45,072.66 × 17,757.42
  4. Step 4: Simplify right side
    32,661.42x = 800,374,154.14
  5. Step 5: Solve for x
    x = 800,374,154.14/32,661.42
  6. Step 6: Final answer
    x = 24,505.19

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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.