Home / 40,177.71-55,490.63-27,408.97

Finding the Fourth Proportional to 40,177.71, 55,490.63 and 27,408.97

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Solution

The fourth proportional to 40,177.71, 55,490.63 and 27,408.97 is: 37,855.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,177.71 : 55,490.63 = 27,408.97 : x
  2. Step 2: Convert to fraction form
    40,177.71/55,490.63 = 27,408.97/x
  3. Step 3: Cross multiply
    40,177.71x = 55,490.63 × 27,408.97
  4. Step 4: Simplify right side
    40,177.71x = 1,520,941,012.95
  5. Step 5: Solve for x
    x = 1,520,941,012.95/40,177.71
  6. Step 6: Final answer
    x = 37,855.34

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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.