Home / 40,968.15-61,471.36-21,235.94

Finding the Fourth Proportional to 40,968.15, 61,471.36 and 21,235.94

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Solution

The fourth proportional to 40,968.15, 61,471.36 and 21,235.94 is: 31,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,968.15 : 61,471.36 = 21,235.94 : x
  2. Step 2: Convert to fraction form
    40,968.15/61,471.36 = 21,235.94/x
  3. Step 3: Cross multiply
    40,968.15x = 61,471.36 × 21,235.94
  4. Step 4: Simplify right side
    40,968.15x = 1,305,401,942.93
  5. Step 5: Solve for x
    x = 1,305,401,942.93/40,968.15
  6. Step 6: Final answer
    x = 31,863.83

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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.