Home / 30,994.76-42,772.44-16,847.64

Finding the Fourth Proportional to 30,994.76, 42,772.44 and 16,847.64

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Solution

The fourth proportional to 30,994.76, 42,772.44 and 16,847.64 is: 23,249.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,994.76 : 42,772.44 = 16,847.64 : x
  2. Step 2: Convert to fraction form
    30,994.76/42,772.44 = 16,847.64/x
  3. Step 3: Cross multiply
    30,994.76x = 42,772.44 × 16,847.64
  4. Step 4: Simplify right side
    30,994.76x = 720,614,671.04
  5. Step 5: Solve for x
    x = 720,614,671.04/30,994.76
  6. Step 6: Final answer
    x = 23,249.56

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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.