Home / 45,125.82-67,695.30-13,963.50

Finding the Fourth Proportional to 45,125.82, 67,695.30 and 13,963.50

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Solution

The fourth proportional to 45,125.82, 67,695.30 and 13,963.50 is: 20,947.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,125.82 : 67,695.30 = 13,963.50 : x
  2. Step 2: Convert to fraction form
    45,125.82/67,695.30 = 13,963.50/x
  3. Step 3: Cross multiply
    45,125.82x = 67,695.30 × 13,963.50
  4. Step 4: Simplify right side
    45,125.82x = 945,263,321.55
  5. Step 5: Solve for x
    x = 945,263,321.55/45,125.82
  6. Step 6: Final answer
    x = 20,947.28

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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.