Home / 30,118.09-41,565.36-16,690.62

Finding the Fourth Proportional to 30,118.09, 41,565.36 and 16,690.62

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Solution

The fourth proportional to 30,118.09, 41,565.36 and 16,690.62 is: 23,034.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.09 : 41,565.36 = 16,690.62 : x
  2. Step 2: Convert to fraction form
    30,118.09/41,565.36 = 16,690.62/x
  3. Step 3: Cross multiply
    30,118.09x = 41,565.36 × 16,690.62
  4. Step 4: Simplify right side
    30,118.09x = 693,751,597.63
  5. Step 5: Solve for x
    x = 693,751,597.63/30,118.09
  6. Step 6: Final answer
    x = 23,034.38

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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.