Home / 47,090.20-70,635.30-36,722.20

Finding the Fourth Proportional to 47,090.20, 70,635.30 and 36,722.20

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Solution

The fourth proportional to 47,090.20, 70,635.30 and 36,722.20 is: 55,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,090.20 : 70,635.30 = 36,722.20 : x
  2. Step 2: Convert to fraction form
    47,090.20/70,635.30 = 36,722.20/x
  3. Step 3: Cross multiply
    47,090.20x = 70,635.30 × 36,722.20
  4. Step 4: Simplify right side
    47,090.20x = 2,593,883,613.66
  5. Step 5: Solve for x
    x = 2,593,883,613.66/47,090.20
  6. Step 6: Final answer
    x = 55,083.30

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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.