Home / 30,634.30-42,273.24-17,206.80

Finding the Fourth Proportional to 30,634.30, 42,273.24 and 17,206.80

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Solution

The fourth proportional to 30,634.30, 42,273.24 and 17,206.80 is: 23,744.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,634.30 : 42,273.24 = 17,206.80 : x
  2. Step 2: Convert to fraction form
    30,634.30/42,273.24 = 17,206.80/x
  3. Step 3: Cross multiply
    30,634.30x = 42,273.24 × 17,206.80
  4. Step 4: Simplify right side
    30,634.30x = 727,387,059.77
  5. Step 5: Solve for x
    x = 727,387,059.77/30,634.30
  6. Step 6: Final answer
    x = 23,744.20

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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.