Home / 30,088.20-41,517.47-16,660.24

Finding the Fourth Proportional to 30,088.20, 41,517.47 and 16,660.24

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Solution

The fourth proportional to 30,088.20, 41,517.47 and 16,660.24 is: 22,988.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,088.20 : 41,517.47 = 16,660.24 : x
  2. Step 2: Convert to fraction form
    30,088.20/41,517.47 = 16,660.24/x
  3. Step 3: Cross multiply
    30,088.20x = 41,517.47 × 16,660.24
  4. Step 4: Simplify right side
    30,088.20x = 691,691,014.39
  5. Step 5: Solve for x
    x = 691,691,014.39/30,088.20
  6. Step 6: Final answer
    x = 22,988.78

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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.