Home / 30,119.51-41,565.20-16,690.92

Finding the Fourth Proportional to 30,119.51, 41,565.20 and 16,690.92

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Solution

The fourth proportional to 30,119.51, 41,565.20 and 16,690.92 is: 23,033.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119.51 : 41,565.20 = 16,690.92 : x
  2. Step 2: Convert to fraction form
    30,119.51/41,565.20 = 16,690.92/x
  3. Step 3: Cross multiply
    30,119.51x = 41,565.20 × 16,690.92
  4. Step 4: Simplify right side
    30,119.51x = 693,761,344.53
  5. Step 5: Solve for x
    x = 693,761,344.53/30,119.51
  6. Step 6: Final answer
    x = 23,033.62

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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.