Home / 30,994.23-42,772.28-16,847.04

Finding the Fourth Proportional to 30,994.23, 42,772.28 and 16,847.04

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Solution

The fourth proportional to 30,994.23, 42,772.28 and 16,847.04 is: 23,249.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,994.23 : 42,772.28 = 16,847.04 : x
  2. Step 2: Convert to fraction form
    30,994.23/42,772.28 = 16,847.04/x
  3. Step 3: Cross multiply
    30,994.23x = 42,772.28 × 16,847.04
  4. Step 4: Simplify right side
    30,994.23x = 720,586,227.82
  5. Step 5: Solve for x
    x = 720,586,227.82/30,994.23
  6. Step 6: Final answer
    x = 23,249.04

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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.