Home / 30,119.65-41,565.42-16,691.20

Finding the Fourth Proportional to 30,119.65, 41,565.42 and 16,691.20

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Solution

The fourth proportional to 30,119.65, 41,565.42 and 16,691.20 is: 23,034.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119.65 : 41,565.42 = 16,691.20 : x
  2. Step 2: Convert to fraction form
    30,119.65/41,565.42 = 16,691.20/x
  3. Step 3: Cross multiply
    30,119.65x = 41,565.42 × 16,691.20
  4. Step 4: Simplify right side
    30,119.65x = 693,776,634.39
  5. Step 5: Solve for x
    x = 693,776,634.39/30,119.65
  6. Step 6: Final answer
    x = 23,034.02

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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.