Home / 45,157.36-67,735.28-12,325.36

Finding the Fourth Proportional to 45,157.36, 67,735.28 and 12,325.36

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Solution

The fourth proportional to 45,157.36, 67,735.28 and 12,325.36 is: 18,487.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,157.36 : 67,735.28 = 12,325.36 : x
  2. Step 2: Convert to fraction form
    45,157.36/67,735.28 = 12,325.36/x
  3. Step 3: Cross multiply
    45,157.36x = 67,735.28 × 12,325.36
  4. Step 4: Simplify right side
    45,157.36x = 834,861,710.70
  5. Step 5: Solve for x
    x = 834,861,710.70/45,157.36
  6. Step 6: Final answer
    x = 18,487.83

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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.