Home / 45,497.28-68,245.90-13,906.06

Finding the Fourth Proportional to 45,497.28, 68,245.90 and 13,906.06

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Solution

The fourth proportional to 45,497.28, 68,245.90 and 13,906.06 is: 20,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,497.28 : 68,245.90 = 13,906.06 : x
  2. Step 2: Convert to fraction form
    45,497.28/68,245.90 = 13,906.06/x
  3. Step 3: Cross multiply
    45,497.28x = 68,245.90 × 13,906.06
  4. Step 4: Simplify right side
    45,497.28x = 949,031,580.15
  5. Step 5: Solve for x
    x = 949,031,580.15/45,497.28
  6. Step 6: Final answer
    x = 20,859.08

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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.