Home / 40,771.32-61,157.04-11,189.52

Finding the Fourth Proportional to 40,771.32, 61,157.04 and 11,189.52

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Solution

The fourth proportional to 40,771.32, 61,157.04 and 11,189.52 is: 16,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,771.32 : 61,157.04 = 11,189.52 : x
  2. Step 2: Convert to fraction form
    40,771.32/61,157.04 = 11,189.52/x
  3. Step 3: Cross multiply
    40,771.32x = 61,157.04 × 11,189.52
  4. Step 4: Simplify right side
    40,771.32x = 684,317,922.22
  5. Step 5: Solve for x
    x = 684,317,922.22/40,771.32
  6. Step 6: Final answer
    x = 16,784.30

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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.