Home / 45,035.54-67,561.47-13,863.50

Finding the Fourth Proportional to 45,035.54, 67,561.47 and 13,863.50

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Solution

The fourth proportional to 45,035.54, 67,561.47 and 13,863.50 is: 20,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,035.54 : 67,561.47 = 13,863.50 : x
  2. Step 2: Convert to fraction form
    45,035.54/67,561.47 = 13,863.50/x
  3. Step 3: Cross multiply
    45,035.54x = 67,561.47 × 13,863.50
  4. Step 4: Simplify right side
    45,035.54x = 936,638,439.35
  5. Step 5: Solve for x
    x = 936,638,439.35/45,035.54
  6. Step 6: Final answer
    x = 20,797.76

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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.