Home / 40,217.94-55,503.72-22,312.80

Finding the Fourth Proportional to 40,217.94, 55,503.72 and 22,312.80

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Solution

The fourth proportional to 40,217.94, 55,503.72 and 22,312.80 is: 30,793.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,217.94 : 55,503.72 = 22,312.80 : x
  2. Step 2: Convert to fraction form
    40,217.94/55,503.72 = 22,312.80/x
  3. Step 3: Cross multiply
    40,217.94x = 55,503.72 × 22,312.80
  4. Step 4: Simplify right side
    40,217.94x = 1,238,443,403.62
  5. Step 5: Solve for x
    x = 1,238,443,403.62/40,217.94
  6. Step 6: Final answer
    x = 30,793.31

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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.