Home / 45,157.62-67,738.05-15,576.42

Finding the Fourth Proportional to 45,157.62, 67,738.05 and 15,576.42

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Solution

The fourth proportional to 45,157.62, 67,738.05 and 15,576.42 is: 23,365.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,157.62 : 67,738.05 = 15,576.42 : x
  2. Step 2: Convert to fraction form
    45,157.62/67,738.05 = 15,576.42/x
  3. Step 3: Cross multiply
    45,157.62x = 67,738.05 × 15,576.42
  4. Step 4: Simplify right side
    45,157.62x = 1,055,116,316.78
  5. Step 5: Solve for x
    x = 1,055,116,316.78/45,157.62
  6. Step 6: Final answer
    x = 23,365.19

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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.