Home / 30,655.43-42,305.74-17,226.64

Finding the Fourth Proportional to 30,655.43, 42,305.74 and 17,226.64

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Solution

The fourth proportional to 30,655.43, 42,305.74 and 17,226.64 is: 23,773.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,655.43 : 42,305.74 = 17,226.64 : x
  2. Step 2: Convert to fraction form
    30,655.43/42,305.74 = 17,226.64/x
  3. Step 3: Cross multiply
    30,655.43x = 42,305.74 × 17,226.64
  4. Step 4: Simplify right side
    30,655.43x = 728,785,604.08
  5. Step 5: Solve for x
    x = 728,785,604.08/30,655.43
  6. Step 6: Final answer
    x = 23,773.46

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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.