Home / 45,372.94-68,059.39-13,782.88

Finding the Fourth Proportional to 45,372.94, 68,059.39 and 13,782.88

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Solution

The fourth proportional to 45,372.94, 68,059.39 and 13,782.88 is: 20,674.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,372.94 : 68,059.39 = 13,782.88 : x
  2. Step 2: Convert to fraction form
    45,372.94/68,059.39 = 13,782.88/x
  3. Step 3: Cross multiply
    45,372.94x = 68,059.39 × 13,782.88
  4. Step 4: Simplify right side
    45,372.94x = 938,054,524.77
  5. Step 5: Solve for x
    x = 938,054,524.77/45,372.94
  6. Step 6: Final answer
    x = 20,674.32

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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.