Home / 40,431.25-60,659.12-20,723.77

Finding the Fourth Proportional to 40,431.25, 60,659.12 and 20,723.77

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Solution

The fourth proportional to 40,431.25, 60,659.12 and 20,723.77 is: 31,091.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,431.25 : 60,659.12 = 20,723.77 : x
  2. Step 2: Convert to fraction form
    40,431.25/60,659.12 = 20,723.77/x
  3. Step 3: Cross multiply
    40,431.25x = 60,659.12 × 20,723.77
  4. Step 4: Simplify right side
    40,431.25x = 1,257,085,651.28
  5. Step 5: Solve for x
    x = 1,257,085,651.28/40,431.25
  6. Step 6: Final answer
    x = 31,091.93

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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.