Home / 73,939.82-110,918.91-28,955.36

Finding the Fourth Proportional to 73,939.82, 110,918.91 and 28,955.36

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Solution

The fourth proportional to 73,939.82, 110,918.91 and 28,955.36 is: 43,436.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,939.82 : 110,918.91 = 28,955.36 : x
  2. Step 2: Convert to fraction form
    73,939.82/110,918.91 = 28,955.36/x
  3. Step 3: Cross multiply
    73,939.82x = 110,918.91 × 28,955.36
  4. Step 4: Simplify right side
    73,939.82x = 3,211,696,969.86
  5. Step 5: Solve for x
    x = 3,211,696,969.86/73,939.82
  6. Step 6: Final answer
    x = 43,436.64

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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.