Home / 36,276.60-54,357.30-30,401.40

Finding the Fourth Proportional to 36,276.60, 54,357.30 and 30,401.40

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Solution

The fourth proportional to 36,276.60, 54,357.30 and 30,401.40 is: 45,553.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,276.60 : 54,357.30 = 30,401.40 : x
  2. Step 2: Convert to fraction form
    36,276.60/54,357.30 = 30,401.40/x
  3. Step 3: Cross multiply
    36,276.60x = 54,357.30 × 30,401.40
  4. Step 4: Simplify right side
    36,276.60x = 1,652,538,020.22
  5. Step 5: Solve for x
    x = 1,652,538,020.22/36,276.60
  6. Step 6: Final answer
    x = 45,553.83

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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.