Home / 40,683.65-56,144.21-22,778.64

Finding the Fourth Proportional to 40,683.65, 56,144.21 and 22,778.64

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Solution

The fourth proportional to 40,683.65, 56,144.21 and 22,778.64 is: 31,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,683.65 : 56,144.21 = 22,778.64 : x
  2. Step 2: Convert to fraction form
    40,683.65/56,144.21 = 22,778.64/x
  3. Step 3: Cross multiply
    40,683.65x = 56,144.21 × 22,778.64
  4. Step 4: Simplify right side
    40,683.65x = 1,278,888,633.78
  5. Step 5: Solve for x
    x = 1,278,888,633.78/40,683.65
  6. Step 6: Final answer
    x = 31,434.96

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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.