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Finding the Fourth Proportional to 36,167.40, 54,207.90 and 18,628.20

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Solution

The fourth proportional to 36,167.40, 54,207.90 and 18,628.20 is: 27,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,167.40 : 54,207.90 = 18,628.20 : x
  2. Step 2: Convert to fraction form
    36,167.40/54,207.90 = 18,628.20/x
  3. Step 3: Cross multiply
    36,167.40x = 54,207.90 × 18,628.20
  4. Step 4: Simplify right side
    36,167.40x = 1,009,795,602.78
  5. Step 5: Solve for x
    x = 1,009,795,602.78/36,167.40
  6. Step 6: Final answer
    x = 27,920.05

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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.