Home / 30,668.60-42,327.15-17,240.96

Finding the Fourth Proportional to 30,668.60, 42,327.15 and 17,240.96

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Solution

The fourth proportional to 30,668.60, 42,327.15 and 17,240.96 is: 23,795.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,668.60 : 42,327.15 = 17,240.96 : x
  2. Step 2: Convert to fraction form
    30,668.60/42,327.15 = 17,240.96/x
  3. Step 3: Cross multiply
    30,668.60x = 42,327.15 × 17,240.96
  4. Step 4: Simplify right side
    30,668.60x = 729,760,700.06
  5. Step 5: Solve for x
    x = 729,760,700.06/30,668.60
  6. Step 6: Final answer
    x = 23,795.04

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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.