Home / 52,712.28-79,067.96-21,525.64

Finding the Fourth Proportional to 52,712.28, 79,067.96 and 21,525.64

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Solution

The fourth proportional to 52,712.28, 79,067.96 and 21,525.64 is: 32,288.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,712.28 : 79,067.96 = 21,525.64 : x
  2. Step 2: Convert to fraction form
    52,712.28/79,067.96 = 21,525.64/x
  3. Step 3: Cross multiply
    52,712.28x = 79,067.96 × 21,525.64
  4. Step 4: Simplify right side
    52,712.28x = 1,701,988,442.49
  5. Step 5: Solve for x
    x = 1,701,988,442.49/52,712.28
  6. Step 6: Final answer
    x = 32,288.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.