Home / 40,309.16-55,624.24-22,403.54

Finding the Fourth Proportional to 40,309.16, 55,624.24 and 22,403.54

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Solution

The fourth proportional to 40,309.16, 55,624.24 and 22,403.54 is: 30,915.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,309.16 : 55,624.24 = 22,403.54 : x
  2. Step 2: Convert to fraction form
    40,309.16/55,624.24 = 22,403.54/x
  3. Step 3: Cross multiply
    40,309.16x = 55,624.24 × 22,403.54
  4. Step 4: Simplify right side
    40,309.16x = 1,246,179,968.86
  5. Step 5: Solve for x
    x = 1,246,179,968.86/40,309.16
  6. Step 6: Final answer
    x = 30,915.56

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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.