Home / 40,515.11-55,913.66-22,613.60

Finding the Fourth Proportional to 40,515.11, 55,913.66 and 22,613.60

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Solution

The fourth proportional to 40,515.11, 55,913.66 and 22,613.60 is: 31,208.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,515.11 : 55,913.66 = 22,613.60 : x
  2. Step 2: Convert to fraction form
    40,515.11/55,913.66 = 22,613.60/x
  3. Step 3: Cross multiply
    40,515.11x = 55,913.66 × 22,613.60
  4. Step 4: Simplify right side
    40,515.11x = 1,264,409,141.78
  5. Step 5: Solve for x
    x = 1,264,409,141.78/40,515.11
  6. Step 6: Final answer
    x = 31,208.34

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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.