Home / 45,040.68-67,558.26-13,450.83

Finding the Fourth Proportional to 45,040.68, 67,558.26 and 13,450.83

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Solution

The fourth proportional to 45,040.68, 67,558.26 and 13,450.83 is: 20,175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,040.68 : 67,558.26 = 13,450.83 : x
  2. Step 2: Convert to fraction form
    45,040.68/67,558.26 = 13,450.83/x
  3. Step 3: Cross multiply
    45,040.68x = 67,558.26 × 13,450.83
  4. Step 4: Simplify right side
    45,040.68x = 908,714,670.36
  5. Step 5: Solve for x
    x = 908,714,670.36/45,040.68
  6. Step 6: Final answer
    x = 20,175.42

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Double scale
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Similar ratio
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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.