Home / 30,210.27-41,690.93-16,780.88

Finding the Fourth Proportional to 30,210.27, 41,690.93 and 16,780.88

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Solution

The fourth proportional to 30,210.27, 41,690.93 and 16,780.88 is: 23,158.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,210.27 : 41,690.93 = 16,780.88 : x
  2. Step 2: Convert to fraction form
    30,210.27/41,690.93 = 16,780.88/x
  3. Step 3: Cross multiply
    30,210.27x = 41,690.93 × 16,780.88
  4. Step 4: Simplify right side
    30,210.27x = 699,610,493.42
  5. Step 5: Solve for x
    x = 699,610,493.42/30,210.27
  6. Step 6: Final answer
    x = 23,158.04

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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.