Home / 30,677.06-42,331.92-17,245.76

Finding the Fourth Proportional to 30,677.06, 42,331.92 and 17,245.76

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Solution

The fourth proportional to 30,677.06, 42,331.92 and 17,245.76 is: 23,797.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,677.06 : 42,331.92 = 17,245.76 : x
  2. Step 2: Convert to fraction form
    30,677.06/42,331.92 = 17,245.76/x
  3. Step 3: Cross multiply
    30,677.06x = 42,331.92 × 17,245.76
  4. Step 4: Simplify right side
    30,677.06x = 730,046,132.66
  5. Step 5: Solve for x
    x = 730,046,132.66/30,677.06
  6. Step 6: Final answer
    x = 23,797.79

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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.