Home / 40,906.16-56,428.11-26,374.88

Finding the Fourth Proportional to 40,906.16, 56,428.11 and 26,374.88

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Solution

The fourth proportional to 40,906.16, 56,428.11 and 26,374.88 is: 36,382.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,906.16 : 56,428.11 = 26,374.88 : x
  2. Step 2: Convert to fraction form
    40,906.16/56,428.11 = 26,374.88/x
  3. Step 3: Cross multiply
    40,906.16x = 56,428.11 × 26,374.88
  4. Step 4: Simplify right side
    40,906.16x = 1,488,284,629.88
  5. Step 5: Solve for x
    x = 1,488,284,629.88/40,906.16
  6. Step 6: Final answer
    x = 36,382.90

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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.