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Finding the Fourth Proportional to 36,540.40, 51,273.20 and 36,540.40

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Solution

The fourth proportional to 36,540.40, 51,273.20 and 36,540.40 is: 51,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,540.40 : 51,273.20 = 36,540.40 : x
  2. Step 2: Convert to fraction form
    36,540.40/51,273.20 = 36,540.40/x
  3. Step 3: Cross multiply
    36,540.40x = 51,273.20 × 36,540.40
  4. Step 4: Simplify right side
    36,540.40x = 1,873,543,237.28
  5. Step 5: Solve for x
    x = 1,873,543,237.28/36,540.40
  6. Step 6: Final answer
    x = 51,273.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.