Home / 36,022.72-54,058.24-12,649.20

Finding the Fourth Proportional to 36,022.72, 54,058.24 and 12,649.20

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Solution

The fourth proportional to 36,022.72, 54,058.24 and 12,649.20 is: 18,982.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,022.72 : 54,058.24 = 12,649.20 : x
  2. Step 2: Convert to fraction form
    36,022.72/54,058.24 = 12,649.20/x
  3. Step 3: Cross multiply
    36,022.72x = 54,058.24 × 12,649.20
  4. Step 4: Simplify right side
    36,022.72x = 683,793,489.41
  5. Step 5: Solve for x
    x = 683,793,489.41/36,022.72
  6. Step 6: Final answer
    x = 18,982.28

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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.