Home / 40,682.52-56,143.26-22,778.28

Finding the Fourth Proportional to 40,682.52, 56,143.26 and 22,778.28

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Solution

The fourth proportional to 40,682.52, 56,143.26 and 22,778.28 is: 31,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,682.52 : 56,143.26 = 22,778.28 : x
  2. Step 2: Convert to fraction form
    40,682.52/56,143.26 = 22,778.28/x
  3. Step 3: Cross multiply
    40,682.52x = 56,143.26 × 22,778.28
  4. Step 4: Simplify right side
    40,682.52x = 1,278,846,896.39
  5. Step 5: Solve for x
    x = 1,278,846,896.39/40,682.52
  6. Step 6: Final answer
    x = 31,434.80

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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.