Home / 30,994.37-42,772.29-16,847.18

Finding the Fourth Proportional to 30,994.37, 42,772.29 and 16,847.18

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Solution

The fourth proportional to 30,994.37, 42,772.29 and 16,847.18 is: 23,249.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,994.37 : 42,772.29 = 16,847.18 : x
  2. Step 2: Convert to fraction form
    30,994.37/42,772.29 = 16,847.18/x
  3. Step 3: Cross multiply
    30,994.37x = 42,772.29 × 16,847.18
  4. Step 4: Simplify right side
    30,994.37x = 720,592,468.64
  5. Step 5: Solve for x
    x = 720,592,468.64/30,994.37
  6. Step 6: Final answer
    x = 23,249.14

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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.