Home / 40,243.80-55,539.72-22,342.44

Finding the Fourth Proportional to 40,243.80, 55,539.72 and 22,342.44

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Solution

The fourth proportional to 40,243.80, 55,539.72 and 22,342.44 is: 30,834.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,243.80 : 55,539.72 = 22,342.44 : x
  2. Step 2: Convert to fraction form
    40,243.80/55,539.72 = 22,342.44/x
  3. Step 3: Cross multiply
    40,243.80x = 55,539.72 × 22,342.44
  4. Step 4: Simplify right side
    40,243.80x = 1,240,892,861.72
  5. Step 5: Solve for x
    x = 1,240,892,861.72/40,243.80
  6. Step 6: Final answer
    x = 30,834.39

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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.