Home / 40,826.88-56,339.28-22,921.56

Finding the Fourth Proportional to 40,826.88, 56,339.28 and 22,921.56

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Solution

The fourth proportional to 40,826.88, 56,339.28 and 22,921.56 is: 31,630.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,826.88 : 56,339.28 = 22,921.56 : x
  2. Step 2: Convert to fraction form
    40,826.88/56,339.28 = 22,921.56/x
  3. Step 3: Cross multiply
    40,826.88x = 56,339.28 × 22,921.56
  4. Step 4: Simplify right side
    40,826.88x = 1,291,384,186.88
  5. Step 5: Solve for x
    x = 1,291,384,186.88/40,826.88
  6. Step 6: Final answer
    x = 31,630.73

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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.