Home / 40,299.12-55,613.34-22,393.80

Finding the Fourth Proportional to 40,299.12, 55,613.34 and 22,393.80

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Solution

The fourth proportional to 40,299.12, 55,613.34 and 22,393.80 is: 30,903.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,299.12 : 55,613.34 = 22,393.80 : x
  2. Step 2: Convert to fraction form
    40,299.12/55,613.34 = 22,393.80/x
  3. Step 3: Cross multiply
    40,299.12x = 55,613.34 × 22,393.80
  4. Step 4: Simplify right side
    40,299.12x = 1,245,394,013.29
  5. Step 5: Solve for x
    x = 1,245,394,013.29/40,299.12
  6. Step 6: Final answer
    x = 30,903.75

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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.