Home / 45,497.78-68,246.65-13,906.56

Finding the Fourth Proportional to 45,497.78, 68,246.65 and 13,906.56

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Solution

The fourth proportional to 45,497.78, 68,246.65 and 13,906.56 is: 20,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,497.78 : 68,246.65 = 13,906.56 : x
  2. Step 2: Convert to fraction form
    45,497.78/68,246.65 = 13,906.56/x
  3. Step 3: Cross multiply
    45,497.78x = 68,246.65 × 13,906.56
  4. Step 4: Simplify right side
    45,497.78x = 949,076,133.02
  5. Step 5: Solve for x
    x = 949,076,133.02/45,497.78
  6. Step 6: Final answer
    x = 20,859.83

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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.