Home / 40,310.60-55,613.12-25,969.35

Finding the Fourth Proportional to 40,310.60, 55,613.12 and 25,969.35

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Solution

The fourth proportional to 40,310.60, 55,613.12 and 25,969.35 is: 35,827.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,310.60 : 55,613.12 = 25,969.35 : x
  2. Step 2: Convert to fraction form
    40,310.60/55,613.12 = 25,969.35/x
  3. Step 3: Cross multiply
    40,310.60x = 55,613.12 × 25,969.35
  4. Step 4: Simplify right side
    40,310.60x = 1,444,236,577.87
  5. Step 5: Solve for x
    x = 1,444,236,577.87/40,310.60
  6. Step 6: Final answer
    x = 35,827.71

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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.