Home / 40,515.42-55,914.09-22,613.92

Finding the Fourth Proportional to 40,515.42, 55,914.09 and 22,613.92

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Solution

The fourth proportional to 40,515.42, 55,914.09 and 22,613.92 is: 31,208.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,515.42 : 55,914.09 = 22,613.92 : x
  2. Step 2: Convert to fraction form
    40,515.42/55,914.09 = 22,613.92/x
  3. Step 3: Cross multiply
    40,515.42x = 55,914.09 × 22,613.92
  4. Step 4: Simplify right side
    40,515.42x = 1,264,436,618.35
  5. Step 5: Solve for x
    x = 1,264,436,618.35/40,515.42
  6. Step 6: Final answer
    x = 31,208.77

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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.