Home / 30,629.52-42,268.20-17,200.88

Finding the Fourth Proportional to 30,629.52, 42,268.20 and 17,200.88

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Solution

The fourth proportional to 30,629.52, 42,268.20 and 17,200.88 is: 23,736.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,629.52 : 42,268.20 = 17,200.88 : x
  2. Step 2: Convert to fraction form
    30,629.52/42,268.20 = 17,200.88/x
  3. Step 3: Cross multiply
    30,629.52x = 42,268.20 × 17,200.88
  4. Step 4: Simplify right side
    30,629.52x = 727,050,236.02
  5. Step 5: Solve for x
    x = 727,050,236.02/30,629.52
  6. Step 6: Final answer
    x = 23,736.91

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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.