Home / 40,449.13-60,676.76-13,786.83

Finding the Fourth Proportional to 40,449.13, 60,676.76 and 13,786.83

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Solution

The fourth proportional to 40,449.13, 60,676.76 and 13,786.83 is: 20,681.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,449.13 : 60,676.76 = 13,786.83 : x
  2. Step 2: Convert to fraction form
    40,449.13/60,676.76 = 13,786.83/x
  3. Step 3: Cross multiply
    40,449.13x = 60,676.76 × 13,786.83
  4. Step 4: Simplify right side
    40,449.13x = 836,540,175.07
  5. Step 5: Solve for x
    x = 836,540,175.07/40,449.13
  6. Step 6: Final answer
    x = 20,681.29

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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.