Home / 30,874.20-42,606.30-16,727.10

Finding the Fourth Proportional to 30,874.20, 42,606.30 and 16,727.10

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Solution

The fourth proportional to 30,874.20, 42,606.30 and 16,727.10 is: 23,083.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,874.20 : 42,606.30 = 16,727.10 : x
  2. Step 2: Convert to fraction form
    30,874.20/42,606.30 = 16,727.10/x
  3. Step 3: Cross multiply
    30,874.20x = 42,606.30 × 16,727.10
  4. Step 4: Simplify right side
    30,874.20x = 712,679,840.73
  5. Step 5: Solve for x
    x = 712,679,840.73/30,874.20
  6. Step 6: Final answer
    x = 23,083.35

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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.