Home / 30,655.72-42,300.52-17,226.33

Finding the Fourth Proportional to 30,655.72, 42,300.52 and 17,226.33

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Solution

The fourth proportional to 30,655.72, 42,300.52 and 17,226.33 is: 23,769.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,655.72 : 42,300.52 = 17,226.33 : x
  2. Step 2: Convert to fraction form
    30,655.72/42,300.52 = 17,226.33/x
  3. Step 3: Cross multiply
    30,655.72x = 42,300.52 × 17,226.33
  4. Step 4: Simplify right side
    30,655.72x = 728,682,716.69
  5. Step 5: Solve for x
    x = 728,682,716.69/30,655.72
  6. Step 6: Final answer
    x = 23,769.88

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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.