Home / 40,055.32-60,091.60-11,977.60

Finding the Fourth Proportional to 40,055.32, 60,091.60 and 11,977.60

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Solution

The fourth proportional to 40,055.32, 60,091.60 and 11,977.60 is: 17,968.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,055.32 : 60,091.60 = 11,977.60 : x
  2. Step 2: Convert to fraction form
    40,055.32/60,091.60 = 11,977.60/x
  3. Step 3: Cross multiply
    40,055.32x = 60,091.60 × 11,977.60
  4. Step 4: Simplify right side
    40,055.32x = 719,753,148.16
  5. Step 5: Solve for x
    x = 719,753,148.16/40,055.32
  6. Step 6: Final answer
    x = 17,968.98

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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.