Home / 45,600.30-68,393.61-14,431.50

Finding the Fourth Proportional to 45,600.30, 68,393.61 and 14,431.50

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Solution

The fourth proportional to 45,600.30, 68,393.61 and 14,431.50 is: 21,645.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,600.30 : 68,393.61 = 14,431.50 : x
  2. Step 2: Convert to fraction form
    45,600.30/68,393.61 = 14,431.50/x
  3. Step 3: Cross multiply
    45,600.30x = 68,393.61 × 14,431.50
  4. Step 4: Simplify right side
    45,600.30x = 987,022,382.72
  5. Step 5: Solve for x
    x = 987,022,382.72/45,600.30
  6. Step 6: Final answer
    x = 21,645.09

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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.