Home / 40,910.42-61,358.66-11,321.32

Finding the Fourth Proportional to 40,910.42, 61,358.66 and 11,321.32

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Solution

The fourth proportional to 40,910.42, 61,358.66 and 11,321.32 is: 16,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,910.42 : 61,358.66 = 11,321.32 : x
  2. Step 2: Convert to fraction form
    40,910.42/61,358.66 = 11,321.32/x
  3. Step 3: Cross multiply
    40,910.42x = 61,358.66 × 11,321.32
  4. Step 4: Simplify right side
    40,910.42x = 694,661,035.81
  5. Step 5: Solve for x
    x = 694,661,035.81/40,910.42
  6. Step 6: Final answer
    x = 16,980.05

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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.