Home / 37,772.36-52,124.82-20,776.64

Finding the Fourth Proportional to 37,772.36, 52,124.82 and 20,776.64

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Solution

The fourth proportional to 37,772.36, 52,124.82 and 20,776.64 is: 28,671.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,772.36 : 52,124.82 = 20,776.64 : x
  2. Step 2: Convert to fraction form
    37,772.36/52,124.82 = 20,776.64/x
  3. Step 3: Cross multiply
    37,772.36x = 52,124.82 × 20,776.64
  4. Step 4: Simplify right side
    37,772.36x = 1,082,978,620.20
  5. Step 5: Solve for x
    x = 1,082,978,620.20/37,772.36
  6. Step 6: Final answer
    x = 28,671.19

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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.