Home / 40,689.88-56,171.51-27,100.54

Finding the Fourth Proportional to 40,689.88, 56,171.51 and 27,100.54

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Solution

The fourth proportional to 40,689.88, 56,171.51 and 27,100.54 is: 37,411.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,689.88 : 56,171.51 = 27,100.54 : x
  2. Step 2: Convert to fraction form
    40,689.88/56,171.51 = 27,100.54/x
  3. Step 3: Cross multiply
    40,689.88x = 56,171.51 × 27,100.54
  4. Step 4: Simplify right side
    40,689.88x = 1,522,278,253.62
  5. Step 5: Solve for x
    x = 1,522,278,253.62/40,689.88
  6. Step 6: Final answer
    x = 37,411.72

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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.