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Finding the Fourth Proportional to 36,476.40, 54,860.40 and 32,685.60

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Solution

The fourth proportional to 36,476.40, 54,860.40 and 32,685.60 is: 49,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,476.40 : 54,860.40 = 32,685.60 : x
  2. Step 2: Convert to fraction form
    36,476.40/54,860.40 = 32,685.60/x
  3. Step 3: Cross multiply
    36,476.40x = 54,860.40 × 32,685.60
  4. Step 4: Simplify right side
    36,476.40x = 1,793,145,090.24
  5. Step 5: Solve for x
    x = 1,793,145,090.24/36,476.40
  6. Step 6: Final answer
    x = 49,159.05

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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.