Home / 40,640.21-55,958.87-35,576.09

Finding the Fourth Proportional to 40,640.21, 55,958.87 and 35,576.09

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Solution

The fourth proportional to 40,640.21, 55,958.87 and 35,576.09 is: 48,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,640.21 : 55,958.87 = 35,576.09 : x
  2. Step 2: Convert to fraction form
    40,640.21/55,958.87 = 35,576.09/x
  3. Step 3: Cross multiply
    40,640.21x = 55,958.87 × 35,576.09
  4. Step 4: Simplify right side
    40,640.21x = 1,990,797,337.74
  5. Step 5: Solve for x
    x = 1,990,797,337.74/40,640.21
  6. Step 6: Final answer
    x = 48,985.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.