Home / 45,456.09-68,194.86-14,291.34

Finding the Fourth Proportional to 45,456.09, 68,194.86 and 14,291.34

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Solution

The fourth proportional to 45,456.09, 68,194.86 and 14,291.34 is: 21,440.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,456.09 : 68,194.86 = 14,291.34 : x
  2. Step 2: Convert to fraction form
    45,456.09/68,194.86 = 14,291.34/x
  3. Step 3: Cross multiply
    45,456.09x = 68,194.86 × 14,291.34
  4. Step 4: Simplify right side
    45,456.09x = 974,595,589.54
  5. Step 5: Solve for x
    x = 974,595,589.54/45,456.09
  6. Step 6: Final answer
    x = 21,440.38

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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.