Home / 36,272.60-54,408.82-20,470.46

Finding the Fourth Proportional to 36,272.60, 54,408.82 and 20,470.46

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Solution

The fourth proportional to 36,272.60, 54,408.82 and 20,470.46 is: 30,705.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,272.60 : 54,408.82 = 20,470.46 : x
  2. Step 2: Convert to fraction form
    36,272.60/54,408.82 = 20,470.46/x
  3. Step 3: Cross multiply
    36,272.60x = 54,408.82 × 20,470.46
  4. Step 4: Simplify right side
    36,272.60x = 1,113,773,573.46
  5. Step 5: Solve for x
    x = 1,113,773,573.46/36,272.60
  6. Step 6: Final answer
    x = 30,705.64

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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.