Home / 30,628.19-42,267.94-17,201.84

Finding the Fourth Proportional to 30,628.19, 42,267.94 and 17,201.84

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Solution

The fourth proportional to 30,628.19, 42,267.94 and 17,201.84 is: 23,739.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,628.19 : 42,267.94 = 17,201.84 : x
  2. Step 2: Convert to fraction form
    30,628.19/42,267.94 = 17,201.84/x
  3. Step 3: Cross multiply
    30,628.19x = 42,267.94 × 17,201.84
  4. Step 4: Simplify right side
    30,628.19x = 727,086,086.67
  5. Step 5: Solve for x
    x = 727,086,086.67/30,628.19
  6. Step 6: Final answer
    x = 23,739.11

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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.