Home / 40,789.62-56,288.75-22,884.21

Finding the Fourth Proportional to 40,789.62, 56,288.75 and 22,884.21

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Solution

The fourth proportional to 40,789.62, 56,288.75 and 22,884.21 is: 31,579.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,789.62 : 56,288.75 = 22,884.21 : x
  2. Step 2: Convert to fraction form
    40,789.62/56,288.75 = 22,884.21/x
  3. Step 3: Cross multiply
    40,789.62x = 56,288.75 × 22,884.21
  4. Step 4: Simplify right side
    40,789.62x = 1,288,123,461.22
  5. Step 5: Solve for x
    x = 1,288,123,461.22/40,789.62
  6. Step 6: Final answer
    x = 31,579.69

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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.