Home / 40,079.36-60,106.88-13,768.96

Finding the Fourth Proportional to 40,079.36, 60,106.88 and 13,768.96

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Solution

The fourth proportional to 40,079.36, 60,106.88 and 13,768.96 is: 20,649.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,079.36 : 60,106.88 = 13,768.96 : x
  2. Step 2: Convert to fraction form
    40,079.36/60,106.88 = 13,768.96/x
  3. Step 3: Cross multiply
    40,079.36x = 60,106.88 × 13,768.96
  4. Step 4: Simplify right side
    40,079.36x = 827,609,226.44
  5. Step 5: Solve for x
    x = 827,609,226.44/40,079.36
  6. Step 6: Final answer
    x = 20,649.26

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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.