Home / 40,055.36-60,091.62-11,977.58

Finding the Fourth Proportional to 40,055.36, 60,091.62 and 11,977.58

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Solution

The fourth proportional to 40,055.36, 60,091.62 and 11,977.58 is: 17,968.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,055.36 : 60,091.62 = 11,977.58 : x
  2. Step 2: Convert to fraction form
    40,055.36/60,091.62 = 11,977.58/x
  3. Step 3: Cross multiply
    40,055.36x = 60,091.62 × 11,977.58
  4. Step 4: Simplify right side
    40,055.36x = 719,752,185.88
  5. Step 5: Solve for x
    x = 719,752,185.88/40,055.36
  6. Step 6: Final answer
    x = 17,968.94

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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.