Home / 40,114.89-55,360.58-22,211.86

Finding the Fourth Proportional to 40,114.89, 55,360.58 and 22,211.86

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Solution

The fourth proportional to 40,114.89, 55,360.58 and 22,211.86 is: 30,653.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,114.89 : 55,360.58 = 22,211.86 : x
  2. Step 2: Convert to fraction form
    40,114.89/55,360.58 = 22,211.86/x
  3. Step 3: Cross multiply
    40,114.89x = 55,360.58 × 22,211.86
  4. Step 4: Simplify right side
    40,114.89x = 1,229,661,452.48
  5. Step 5: Solve for x
    x = 1,229,661,452.48/40,114.89
  6. Step 6: Final answer
    x = 30,653.49

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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.