Home / 36,214.20-54,321.30-31,354.20

Finding the Fourth Proportional to 36,214.20, 54,321.30 and 31,354.20

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Solution

The fourth proportional to 36,214.20, 54,321.30 and 31,354.20 is: 47,031.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,214.20 : 54,321.30 = 31,354.20 : x
  2. Step 2: Convert to fraction form
    36,214.20/54,321.30 = 31,354.20/x
  3. Step 3: Cross multiply
    36,214.20x = 54,321.30 × 31,354.20
  4. Step 4: Simplify right side
    36,214.20x = 1,703,200,904.46
  5. Step 5: Solve for x
    x = 1,703,200,904.46/36,214.20
  6. Step 6: Final answer
    x = 47,031.30

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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.