Home / 30,086.90-41,521.46-16,659.64

Finding the Fourth Proportional to 30,086.90, 41,521.46 and 16,659.64

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Solution

The fourth proportional to 30,086.90, 41,521.46 and 16,659.64 is: 22,991.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,086.90 : 41,521.46 = 16,659.64 : x
  2. Step 2: Convert to fraction form
    30,086.90/41,521.46 = 16,659.64/x
  3. Step 3: Cross multiply
    30,086.90x = 41,521.46 × 16,659.64
  4. Step 4: Simplify right side
    30,086.90x = 691,732,284.97
  5. Step 5: Solve for x
    x = 691,732,284.97/30,086.90
  6. Step 6: Final answer
    x = 22,991.15

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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.