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Finding the Fourth Proportional to 40,847.70, 56,369.84 and 22,942.25

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Solution

The fourth proportional to 40,847.70, 56,369.84 and 22,942.25 is: 31,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,847.70 : 56,369.84 = 22,942.25 : x
  2. Step 2: Convert to fraction form
    40,847.70/56,369.84 = 22,942.25/x
  3. Step 3: Cross multiply
    40,847.70x = 56,369.84 × 22,942.25
  4. Step 4: Simplify right side
    40,847.70x = 1,293,250,565.18
  5. Step 5: Solve for x
    x = 1,293,250,565.18/40,847.70
  6. Step 6: Final answer
    x = 31,660.30

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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.