Home / 40,253.22-55,515.90-30,203.94

Finding the Fourth Proportional to 40,253.22, 55,515.90 and 30,203.94

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Solution

The fourth proportional to 40,253.22, 55,515.90 and 30,203.94 is: 41,656.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,253.22 : 55,515.90 = 30,203.94 : x
  2. Step 2: Convert to fraction form
    40,253.22/55,515.90 = 30,203.94/x
  3. Step 3: Cross multiply
    40,253.22x = 55,515.90 × 30,203.94
  4. Step 4: Simplify right side
    40,253.22x = 1,676,798,912.65
  5. Step 5: Solve for x
    x = 1,676,798,912.65/40,253.22
  6. Step 6: Final answer
    x = 41,656.27

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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.