Home / 37,429.12-51,651.84-20,662.24

Finding the Fourth Proportional to 37,429.12, 51,651.84 and 20,662.24

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Solution

The fourth proportional to 37,429.12, 51,651.84 and 20,662.24 is: 28,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,429.12 : 51,651.84 = 20,662.24 : x
  2. Step 2: Convert to fraction form
    37,429.12/51,651.84 = 20,662.24/x
  3. Step 3: Cross multiply
    37,429.12x = 51,651.84 × 20,662.24
  4. Step 4: Simplify right side
    37,429.12x = 1,067,242,714.52
  5. Step 5: Solve for x
    x = 1,067,242,714.52/37,429.12
  6. Step 6: Final answer
    x = 28,513.70

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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.