Home / 30,156.66-41,616.04-16,727.78

Finding the Fourth Proportional to 30,156.66, 41,616.04 and 16,727.78

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Solution

The fourth proportional to 30,156.66, 41,616.04 and 16,727.78 is: 23,084.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,156.66 : 41,616.04 = 16,727.78 : x
  2. Step 2: Convert to fraction form
    30,156.66/41,616.04 = 16,727.78/x
  3. Step 3: Cross multiply
    30,156.66x = 41,616.04 × 16,727.78
  4. Step 4: Simplify right side
    30,156.66x = 696,143,711.69
  5. Step 5: Solve for x
    x = 696,143,711.69/30,156.66
  6. Step 6: Final answer
    x = 23,084.24

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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.