Home / 30,874.41-42,606.77-16,727.18

Finding the Fourth Proportional to 30,874.41, 42,606.77 and 16,727.18

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Solution

The fourth proportional to 30,874.41, 42,606.77 and 16,727.18 is: 23,083.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,874.41 : 42,606.77 = 16,727.18 : x
  2. Step 2: Convert to fraction form
    30,874.41/42,606.77 = 16,727.18/x
  3. Step 3: Cross multiply
    30,874.41x = 42,606.77 × 16,727.18
  4. Step 4: Simplify right side
    30,874.41x = 712,690,814.34
  5. Step 5: Solve for x
    x = 712,690,814.34/30,874.41
  6. Step 6: Final answer
    x = 23,083.54

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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.