Home / 30,808.27-42,515.49-16,661.26

Finding the Fourth Proportional to 30,808.27, 42,515.49 and 16,661.26

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Solution

The fourth proportional to 30,808.27, 42,515.49 and 16,661.26 is: 22,992.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,808.27 : 42,515.49 = 16,661.26 : x
  2. Step 2: Convert to fraction form
    30,808.27/42,515.49 = 16,661.26/x
  3. Step 3: Cross multiply
    30,808.27x = 42,515.49 × 16,661.26
  4. Step 4: Simplify right side
    30,808.27x = 708,361,632.92
  5. Step 5: Solve for x
    x = 708,361,632.92/30,808.27
  6. Step 6: Final answer
    x = 22,992.58

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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.