Home / 45,742.13-68,550.80-27,978.96

Finding the Fourth Proportional to 45,742.13, 68,550.80 and 27,978.96

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Solution

The fourth proportional to 45,742.13, 68,550.80 and 27,978.96 is: 41,930.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,742.13 : 68,550.80 = 27,978.96 : x
  2. Step 2: Convert to fraction form
    45,742.13/68,550.80 = 27,978.96/x
  3. Step 3: Cross multiply
    45,742.13x = 68,550.80 × 27,978.96
  4. Step 4: Simplify right side
    45,742.13x = 1,917,979,951.27
  5. Step 5: Solve for x
    x = 1,917,979,951.27/45,742.13
  6. Step 6: Final answer
    x = 41,930.28

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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.