Home / 30,119.45-41,561.46-16,687.32

Finding the Fourth Proportional to 30,119.45, 41,561.46 and 16,687.32

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Solution

The fourth proportional to 30,119.45, 41,561.46 and 16,687.32 is: 23,026.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119.45 : 41,561.46 = 16,687.32 : x
  2. Step 2: Convert to fraction form
    30,119.45/41,561.46 = 16,687.32/x
  3. Step 3: Cross multiply
    30,119.45x = 41,561.46 × 16,687.32
  4. Step 4: Simplify right side
    30,119.45x = 693,549,382.69
  5. Step 5: Solve for x
    x = 693,549,382.69/30,119.45
  6. Step 6: Final answer
    x = 23,026.63

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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.